The structure of the human body has the stomach and intestines in the abdomen, with the stomach located in the upper middle abdomen and the intestines around the navel. The stomach is located in the upper middle abdomen under the sword protrusion on the belly button 5~10cm, the small intestine is located around the belly button about 5~10cm, the colon is around the small intestine. If there is discomfort in the upper middle abdomen, such as pain and nausea, it is important to pay attention to whether there is a stomach disease. If there is discomfort around the navel, such as pain, intestinal tinnitus, etc., and it is related to the diet, it is important to pay attention to the timely examination, and to detect the diseases related to the small intestine. If there is pain in the right lower abdomen, we should pay attention to whether the appendix, appendix type of disease, if the left lower abdomen pain and accompanied by abnormal bowel movements, we should pay attention to the sigmoid colon type of disease. You should consult a doctor for diagnosis and treatment as prescribed by the doctor.