One day without defecation is normal, if the next day normal defecation, or once every two days defecation, generally is normal. Normally, one to two bowel movements per day, or one to two days once, with normal stools and no foul odor, are normal phenomena, and the number of bowel movements has a lot to do with dietary habits, digestive ability, and lifestyle. If you do not have a bowel movement for one day only occasionally, you can adjust your diet to a light diet, eat more fresh vegetables and fruits, and improve the situation with proper exercise. If not defecate for a long time, we should consider the possibility of intestinal obstruction, at this time should not eat, to go to the hospital in time for examination and treatment, if constipation, daily dietary structure should be adjusted in a timely manner, eat less and more frequent meals, drink more water, reduce the greasy, cold, spicy and stimulating food intake, promote defecation, can be used to relieve the corkscrew, if the problem is not able to be improved effectively, we should go to the hospital in a timely manner to check the symptomatic treatment.