Constipation in early pregnancy is a normal symptom, and women undergo great physical changes after pregnancy. Each period will have different physical reactions, especially in the early stages of pregnancy, which are more common and frequent. Constipation in early pregnancy is caused by the combination of the fertilized egg and the bed affecting the rectum, which causes irritation or pressure on the rectum, plus the lack of appetite in early pregnancy, less eating and less exercise, which leads to constipation when the gastrointestinal function is not peristaltic or peristaltic movement is slowed down. In addition to the symptoms of constipation, it is normal to experience loss of appetite, nausea, vomiting, frequent urination and other reactions. It is normal to eat more food with dietary fiber to relieve constipation, not to exercise vigorously in the early stages of pregnancy, and to pay attention to rest.