White beans, green beans and red beans. Bean is rich in protein and a small amount of carotene, vitamin B and vitamin C, which is a kind of vegetable with high nutritional value. Protein content in dry matter of beans is about 2.7%, which is a good source of plant protein. The carbohydrates contained in beans can play a role similar to grain, and people often eat beans as the main course. In addition to strengthening the spleen and harmonizing the stomach, the most important thing is to tonify the kidney. Li Shizhen once praised it for being able to "regulate the middle energizer, tonify the kidney and stomach, harmonize the five internal organs, adjust the camp and health, and generate the essence"; The so-called "ying Wei" is what Chinese medicine calls ying Wei's two qi, which can fully guarantee people's sleep quality after adjustment; In addition, eating more beans can also treat vomiting, snoring and other discomfort; When children suffer from indigestion and flatulence, it can play a certain role in relieving them by using a proper amount of raw beans and swallowing them after chewing. The fiber in beans is beneficial to reducing cholesterol in human body, which is suitable for people with hyperlipidemia; It can also strengthen gastrointestinal peristalsis and help prevent constipation. Beans have high nutritional value and many functions, so they are deeply loved by people. [3]?