Human beings are not only natural human beings, but also social human beings. People have consciousness, thinking, rich and complex psychological activities, joy, anger, sadness and happiness is the concentrated expression of such psychological activities. Do you know? When you are happy and sad, your stomach and intestines will also change with your emotional changes and will also be happy and sad. The main functions of the stomach and intestines are temporary storage and grinding of food, digestion and absorption, and emptying of various foods. These functions are regulated by the nerves and fluids. The stomach is the most susceptible to psychological and mental factors among human organs. Once the human spirit is suppressed, low mood, depressed mood, it will be blocked, do not think about eating, gastric distension, even if you can barely eat, but also feel full of uncomfortable, over time, there will be gastrointestinal diseases. On the contrary, when you are in a happy mood, calm, good mood, your gastrointestinal function is also good, the so-called eat well, sleep well, digestion is also good. This shows that the relationship between psychological factors and health is quite close. Modern medicine has also found that psychosomatic factors play an important role in gastrointestinal diseases, and research in this area has become a hot topic in the study of the pathogenesis of gastrointestinal diseases.