Walnut has high medicinal value and is widely used in traditional Chinese medicine. Chinese medicine believes that walnuts are warm, sweet and non-toxic, and have the effects of invigorating the stomach, enriching the blood, moistening the lungs and nourishing the mind. "Shen Nong Ben Cao Jing" lists walnuts as the top grade for long-term service, benefiting qi and prolonging life. In the Herbal Medicine of Dietotherapy written by Meng E in Tang Dynasty, it is recorded that eating walnut kernel can increase appetite, moisten blood vessels and make flesh and blood delicate. In the Song Dynasty, Liu Han and others recorded in Kaibao Materia Medica that walnut kernel "makes it fat and healthy, moistens muscles, has black beard and black hair, eats more diuretics and removes five hemorrhoids." According to the Compendium of Materia Medica written by Li Shizhen in the Ming Dynasty, walnut kernel has the effects of "benefiting qi and nourishing blood, moistening dryness and resolving phlegm, benefiting qi and promoting fluid production, treating triple energizer, warming lung and moistening intestine, treating deficiency cold, asthma and cough, severe pain in waist and feet, hernia in the heart, blood dysentery and intestinal wind".

Modern medical research believes that phospholipids in walnuts have a good health care effect on brain nerves. Walnut oil contains unsaturated fatty acids, which can prevent and treat arteriosclerosis. Walnut kernel contains zinc, manganese, chromium and other indispensable trace elements. The contents of zinc and manganese are decreasing in the process of aging, and chromium can promote glucose utilization, cholesterol metabolism and protect cardiovascular system. The effect of walnut kernel on relieving cough and asthma is also very obvious. Winter has excellent curative effect on patients with chronic bronchitis and asthma. It can be seen that eating walnuts regularly can not only strengthen the body, but also resist aging. Some people often take tonics. In fact, it is really good to eat a few walnuts every morning and evening, which is often better than taking tonic.

Walnuts are a good diet. Whether it is used for dispensing medicine, raw, boiled, dipped in sugar or cooked, it has good effects of enriching blood and benefiting qi, tonifying kidney and replenishing essence, relieving cough and asthma, moistening dryness and relaxing bowels. There are many ways to eat walnuts. Boiling walnuts with proper salt water and eating dregs can cure lumbago due to kidney deficiency, nocturnal emission, impotence, forgetfulness, tinnitus and frequent urination. Cooking porridge with walnuts, coix seed and chestnuts can cure frequent urination, nocturnal emission, loose stool and diarrhea. Eating walnuts, sesame seeds and lotus seeds dipped in sugar can nourish the heart and brain and cure night sweats. Eating raw walnuts, longan pulp and hawthorn can improve heart function. Walnut is also widely used to treat neurasthenia, hypertension, coronary heart disease, emphysema and stomachache.

Walnut has the functions of raising white blood cells, protecting liver and inhibiting cancer cells. Especially for esophageal cancer, gastric cancer, nasopharyngeal cancer, thyroid cancer, etc.

But pay attention to how to eat!