Kuding tea tastes bitter, sweet and non-toxic. Its most important function is to remove garbage and toxins from the body. Lu Yu's "Tea Classics" "Bitter and sweet into the Yin, tough to raise the year." Li Shizhen's Compendium of Materia Medica records: "Boil and drink, quench thirst, improve eyesight, remove annoyance, eliminate phlegm and promote diuresis, dredge small intestine, treat stranguria, stop headache, remove annoyance, swallow, clear upper diaphragm and benefit throat." Kuding tea has no side effects whether it is fitness or treatment, and is suitable for men, women and children. Function of Kuding Tea: Li Shizhen, a medical scientist in Ming Dynasty, recorded in Compendium of Materia Medica: "Bitter, flat and nontoxic, people in South China use it as tea to quench thirst, improve eyesight, relieve inflammation, relax bowels and dredge intestines". According to authoritative medical works such as Dictionary of Traditional Chinese Medicine and modern clinical trials, Kuding tea contains more than 200 effective components such as saponins, ursolic acid, flavonoids, amino acids and vitamins. It can regulate metabolism in two directions, enhance human immune function, significantly reduce serum total cholesterol, triglyceride and low-density protein in patients with hyperlipidemia, and has the effects of clearing away heat and toxic materials, protecting liver and relieving hangover, diminishing inflammation and relaxing bowels. It also has obvious preventive and therapeutic effects on hypertension, hyperlipidemia, arteriosclerosis, diabetes, obesity, colitis, constipation, hemorrhoids and various oral inflammations. Washing tea with boiling water can also sterilize and diminish inflammation, and can prevent and treat pinkeye and skin diseases such as acne, acne, miliaria and beriberi. Ilex latifolia Thunb is a kind of Ilex latifolia Thunb, which is called "Gao Lu Tea" in ancient books. It is a rare treasure for both medicine and food. It has a history of more than 2000 years and was once listed as a tribute in Yuan, Ming and Qing Dynasties. It has been proved by scientific research that Kuding tea contains more than 250 kinds of substances, such as ursolic acid, aromatic resin alcohol, coumarin, natural selenium compounds, amino acids and so on, as well as many kinds of organic substances and trace mineral elements necessary for human body. Li Shizhen, a medical scientist in Ming Dynasty, recorded in Compendium of Materia Medica that "it is bitter in taste, flat in nature and non-toxic. Southerners drink it as tea to quench thirst, improve eyesight, relieve inflammation, relax bowels and promote intestinal peristalsis". Kudingcha can regulate metabolism in two directions, enhance immune function, significantly reduce serum total cholesterol, triglyceride and low-density lipoprotein in patients with hyperlipidemia, and has the effects of clearing away heat and toxic materials, protecting liver and relieving alcoholism, diminishing inflammation and relaxing bowels. It also has obvious preventive and therapeutic effects on hypertension, hyperlipidemia, arteriosclerosis, diabetes, obesity, colitis, constipation, hemorrhoids and various oral inflammations. Washing with boiling water can sterilize and diminish inflammation, and prevent and treat many diseases such as pink eye, acne, acne and miliaria. Drinking it all year round can protect health and prolong life. Known as "longevity tea" and "beauty tea", it is a pure natural multifunctional health care treasure. Wancheng Kuding Tea is one of the traditional famous teas in Guangxi, which is produced in Kuding Tea Village, Longmen Township, daxin county. The old version of Cihai once recorded: "Kuding tea is a famous specialty tea in Guangxi, produced in Kuding Township, Wancheng County", so it is called Wancheng Kuding tea. This kind of tea was valued by foreign missionaries in the late Qing Dynasty. In the early years of the Republic of China, Zhang Hongneng, the state official of Wancheng County, changed the word "bitter" for Kuding tea to "rich" and published an advertisement for "Melia azedarach running Wancheng County government tea". This kind of tea has a wide market and high popularity, and is more popular with compatriots in Hong Kong, Macao and overseas Chinese. Wancheng Kuding Tea belongs to a single type of Kuding Tea, so it was identified by Professor Zeng Cangjiang from the Biology Department of Xiamen University on May 198 1 and named TIXKUDING CHATSCNG. After soaking in boiling water, the tea juice is slightly bitter, bitter first and then sweet, with a long aftertaste and unique flavor in the mouth. Historically it has been used as tea and medicine. Has analgesic, antipruritic, analgesic and blood pressure lowering effects. Use in the same room can refresh the mind, clear away heat and reduce fire, promote fluid production to quench thirst, detoxify and diminish inflammation, relieve fatigue and sober up, induce diuresis to strengthen the heart, stop diarrhea and relieve pain, stop dysentery and relieve sore throat, lower blood pressure and lose weight. Regular drinking can prolong life. Wancheng Kuding tea is a neutral shade evergreen broad-leaved tree species, with straight trunk, beautiful tree shape, green branches and leaves, evergreen all the year round, strong germination, easy germination of new buds after picking the terminal buds of branches, and high tea yield. This tree species is mostly distributed in the middle and lower part of low mountain and hilly platform, and likes warm and humid climate. It is suitable for acid red soil with deep, fertile and humid soil layer and has strong resistance to cold and general frost and snow. Daxin county is the origin and main producing area of this tea tree. Now it has an afforestation area of 1.600 mu, and has set up a Kudingcha processing factory. Wancheng Kuding tea is a treasure with high economic benefits. Tea is the best, and its branches, leaves, roots and fruits are all multifunctional. The autumn fruit is bright red when it matures, showing a little red among the green leaves, which is very beautiful. It is an ideal ornamental tree species for landscaping. Now Xiagaotun, Ku ding cun, Longmen Township, daxin county, is an authentic Kuding Tea King, with a tree age of more than 200 years, a tree frequency of 28.5 meters, a DBH of 79.6 cm and a crown of 14* 12.5 meters, which is the largest and oldest in Guangxi. 1, the origin of Wancheng Kuding Tea Wancheng Kuding Tea is one of the world famous teas in China. According to Lu Yu's "Tea Classics-Source" in the Tang Dynasty, "Southern tea makers are the best. Its trees are like melon dew. " "Compendium of Materia Medica" written by Li Shizhen in Ming Dynasty records: "Gao Lu, whose leaves are like tea, is widely used today and is called Kuteng. "According to domestic experts' research, it was called' Gao Lu' or' Gualou' tea in ancient literature, which is today's Kuding tea; The old edition of Cihai notes: "Kudingcha, a famous specialty tea in Guangxi, is produced in Kudingcha Township, daxin county", which is now Kudingcha Village, Longmen Township, daxin county. All dynasties are famous, both at home and abroad. So far, the market of folium isatidis is broad. Although it is expensive, it is still favored by compatriots in Hong Kong and Macao, overseas Chinese and foreigners. There used to be six mother trees in Ku Ding Cun, but now there are five. The largest one is 28 meters high and 79 centimeters in diameter at breast height. The two embraced each other, flourishing, with a crown of 1.44 square meters. According to Lu Huankui, the owner of the tea tree (Guxi), "This Kuding tea tree was planted by Lu Youyu, the ancestor, and has lasted for five generations. "199 1 produces about 35 kg of dry tea, 260 yuan/kg; Tea fruit is 380 kg, 100 yuan/kg, and the output value of that year is 47,000 yuan, which is well known. When spring tea is on the market or the tea fruit is ripe, merchants from all walks of life come from thousands of miles and come in an endless stream, so it is called "Green Huang Jinshu". Wancheng Kuding Tea was once a tribute of the emperor. It is said that from the middle of the Ming Dynasty, Wancheng Kuding Tea was sent to Beijing as a tribute to the emperor every year. However, there are not many sources of Kuding tea, or different varieties, and the quality of tea is obviously different from that produced by Kuding tree. Quality products are decreasing year by year. In order to increase the number of tributes, the state palace ordered the villagers to collect thousands of tea seeds for breeding and expand the planting area to increase production. Kewancheng tea tree is a deep dormant tree species. In the feudal society where agricultural production technology was extremely backward, it failed after many experiments and breeding. Only by the output of several original tea trees each year, the tribute can not be guaranteed, nor can it meet the needs of local officials' families. To this end, the imperial court sent imperial envoys to Taiping Prefecture (now Chongzuo County) in Guangxi many times to trace the tribute of Kudingcha. The owner of Wanchengzhou knew that this matter was serious and he might be killed, so he thought hard about how to prevaricate. After repeated discussions, Kuding tea tree, which happened to die in Ku Ding Cun, was sent to Taiping House, pretending that Kuding tea tree had died and could not complete the tribute. The imperial envoys and the master of Taiping House believed it and reported the death of the tea tree to the court. Since then, the history of Wancheng tea as a tribute has ended, and local officials have been exempted from asking questions. Li Shizhen's Compendium of Materia Medica records that Kuding tea "has bitter leaves and flat nature, ... quenching thirst, improving eyesight, removing annoyance and resolving phlegm, promoting diuresis, dredging intestines, relieving stranguria, relieving headache, clearing heat ... and benefiting the throat." The Dictionary of Traditional Chinese Medicine published by People's Health Publishing House includes: "Kuding tea ... enters the liver, lung and stomach meridians, dispelling wind and clearing heat, clearing the head, detoxifying and diminishing inflammation". "Zhejiang Medicinal Flora" contains: "Kuding tea is mainly used for wind-heat headache, red eyes, swelling and pain, rhinitis and stomatitis; External treatment of mastitis, burn, yellow sore, swelling and pain of fracture. " "Sichuan Drug Standard" states: "Kuding tea has expectorant, antitussive, antiasthmatic and anti-inflammatory effects. It can be used for treating chronic bronchitis pain, and also has adjuvant therapeutic effect on patients with coronary heart disease and hypertension. Guangxi Institute of Traditional Chinese Medicine has studied that Kudingcha does have the effects of lowering blood pressure, blood lipid and fat. Ilex kudingcha in the Dictionary of Traditional Chinese Medicine contains ursolic acid, β-cinnamyl alcohol, hops fatty alcohol, dandelion alcohol, and a variety of organic germanium necessary for human body. The diet of trace mineral elements can not only quench thirst, relieve boredom and improve taste, but also stimulate appetite, regulate metabolism in the body, dispel wind and clear heat, clear the head, detoxify and diminish inflammation, stop bleeding from trauma, lower blood pressure, reduce blood fat, lose weight and fight cancer. It has certain curative effect on wind-heat, headache, toothache, red eyes, tinnitus, enteritis, dysentery, hepatitis, pharyngolaryngitis and cholecystitis. According to today's information newspaper1July 2, 19991,Ilex kudingcha has the functions of clearing away heat and toxic materials, killing bacteria and diminishing inflammation, relieving cough and resolving phlegm, invigorating stomach, promoting digestion, refreshing brain, improving eyesight and intelligence, reducing weight, preventing cancer and radiation, activating blood vessels, lowering blood lipid and cholesterol, and is effective for pharyngolaryngitis, stomatitis, hypertension and obesity. Modern medicine has confirmed that Kuding tea contains more than 250 kinds of health-care medicinal substances, such as oleanolic acid b- resin alcohol, hops alcohol, lignans, natural selenium content, amino acids and so on. The flavone content is 4.7 times that of green tea1.6 ~/kloc-0, while the caffeine content is only 1% of green tea. This kind of tea tastes bitter and flat, and it is a treasure in bitter food (people eat five flavors, all of which are beneficial to the human body, and generally eat the least bitter, but the effect is great). Drinking this kind of tea often is good for human respiratory system, circulatory system, digestive system and endocrine system.