It is necessary to develop scientific eating habits, reasonably match dietary nutrition, and match the thickness to avoid the food being too fine. Ensuring adequate intake of fruits and vegetables, eating meat, milk and eggs rich in protein, eating a small amount of greasy food and drinking plenty of water every day can effectively prevent constipation. Patients with severe constipation should drink a cup of yogurt every day to supplement intestinal probiotics and promote intestinal peristalsis, thus improving constipation.