There is no clear-cut advantage or disadvantage to having a morning bowel movement over a nighttime one, and having regular bowel movements every day is the key to good health. The recommendation is to have a bowel movement in the morning and evening. In the morning, the food residue in the digestive system, after a whole night of digestion, needs to be discharged in time. Prolonged absence of the desire to defecate in the morning does not exclude the slowing down of intestinal peristalsis, constipation and other conditions. At night before going to bed, if there is a desire to defecate, it is also best to go up again, to avoid the feces in the intestines, stay longer. If you want to improve defecation, it is recommended to try the following suggestions: 1, the normal frequency of defecation to 2 times a day to two days 1 time is appropriate, if you can develop a habit of defecating in a fixed period of time is better; 2, defecation time should not be too long, 3-5 minutes can be too long and easy to lead to the emergence of hemorrhoids, defecation should be less to read books, cell phones, etc.; 3, early in the morning, you can drink a large glass of warm water to help clean the stomach and intestines, to promote intestinal Activity, for early morning defecation is beneficial; 4, diet and digestive system function is closely linked, eat more dietary fiber-rich foods, such as potatoes, mushrooms, pumpkin, almonds, etc., can help promote intestinal digestion and absorption.