Cereals include: rice, wheat, beans, corn, potatoes, etc. Rice foods include rice, glutinous rice, etc. These foods can be made into staple foods and consumed to provide calories for the body. Wheat foods include wheat, oats, and so on. Among them, wheat can be used to make flour and oats can be used to make porridge. Beans include red beans, green beans, fava beans, etc., and the protein content of beans is high, which is conducive to providing energy for the body and strengthening the body. Corn belongs to the cereal food, eat more corn can supplement dietary fiber, there is a certain weight loss, promote the efficacy of bowel movements. Potatoes generally refers to sweet potatoes, white potatoes, purple potatoes, etc., which is also rich in dietary fiber, can promote defecation, prevent constipation, to achieve certain weight loss effect.