Constipation is mainly caused by eating too little dietary fiber, not drinking enough water, not enough exercise; most importantly, not to develop the habit of regular bowel movements, often inhibiting the desire to defecate; it is also possible to suffer from certain gastrointestinal diseases, such as hemorrhoids, anal fissures, colon tumors, colitis, colon stenosis, etc. The treatment is to eat more food containing dietary fiber, such as vegetables, fruits, coarse grains, soy products, to drink more water, more exercise, to develop the habit of regular bowel movements, regular and scheduled daily toilet, to maintain a good mental state, good mood gastrointestinal function will be good, the bowels will be smooth.