Vitamins include vitamin A, vitamin B group, vitamin C, vitamin D, vitamin E, vitamin K and folic acid, etc. Their physiological functions are as follows: First, physiological functions on the digestive system, promote gastrointestinal digestion and absorption functions, improve bloating, abdominal pain, constipation, etc., and relieve food digestion and malabsorption. Second, vitamins for endocrine function, increase immunity, increase immune barrier function, regulate the internal environment, improve internal environmental dysfunction, improve the acid-base balance in the body, enhance the immune barrier and defense ability. Third, vitamins for cardiovascular function, improve cardiovascular endothelial cell activity, promote the growth of endothelial cells, significantly reduce the incidence of cardiovascular disease. Fourth, it will also cause benign effects on the nervous system, such as promoting sleep and improving sleep quality. Fifth, the physiological function of the skeletal system, prevent osteoporosis, reduce the occurrence of hypocalcemia, etc.