Onion has seven medicinal effects, which are irreplaceable by high-priced Chinese medicine. As the saying goes, "an onion takes ten minutes." Onion is a common ingredient in daily life, and it is also a traditional Chinese medicine with many functions of getting rid of diseases and keeping healthy. So, what does onion do? The effect of counting green onions below is irreplaceable by high-priced Chinese medicine. Onions can be eaten cold or used as seasoning. For men, eating green onions or leeks three times a week can achieve the effect of strengthening yang and nourishing yin. Benefits 1: the benefits of aphrodisiac onions have to be said to be aphrodisiac. A variety of vitamins in green onions can ensure the normal secretion of human hormones, but also effectively stimulate sexual desire, thus playing a role in strengthening yang and nourishing yin. Therefore, men can eat some onions in moderation. Benefit 2: Sweating and bacteriostatic green onions can stimulate the sweat glands of the body and achieve the effect of sweating and heat dissipation; Onion oil can stimulate the upper respiratory tract, making phlegm easy to cough up. Allicin contained in onion has obvious antibacterial and antiviral effects, especially on dysentery bacilli and skin fungi. Benefit 3: Pectin contained in anti-cancer leek can obviously reduce the occurrence of colon cancer and has anti-cancer effect. Allicin in onion can also inhibit the growth of cancer cells; Onion also contains trace element selenium, which can reduce the nitrite content in gastric juice and play a certain role in preventing gastric cancer and various cancers. Benefit 4: Detoxifying and seasoning green onions are pungent and slightly warm, which has the function of releasing yang, detoxifying and seasoning. Mainly used for common cold, abdominal pain due to yin cold, aversion to cold and fever, headache and stuffy nose, milk obstruction and unfavorable defecation. Onion contains volatile oil, and its main components are allicin, diallyl sulfur and calcium oxalate. In addition, it also contains fat, sugar, carotene, vitamins B, C, nicotinic acid, calcium, magnesium, iron and other ingredients. Benefit 5: Arouse appetite Raw onions, like onions, contain diallyl sulfide, which will stimulate the secretion of gastric juice and help to increase appetite. When ingested together with foods containing more vitamin B 1, it will promote the conversion of starch and sugar into heat and relieve fatigue. Benefit 6: Vasodilator Onion is rich in vitamin C, which can relax small blood vessels, promote blood circulation, prevent dizziness caused by hypertension, keep the brain flexible and prevent Alzheimer's disease. The volatile oil and capsaicin of scallion can remove the fishy smell in greasy and heavy dishes and produce special aroma. If eaten with mushrooms, it can also promote blood circulation. Benefit 7: Cholesterol-lowering green onions can reduce the accumulation of bad cholesterol. People who often eat green onions, even if they are fat, do not increase their cholesterol and have strong physique.