Constipation eat more fresh vegetables and fruits, but food can only play a supporting role, the treatment also need to rely on drugs or surgery and other methods. Patients suffering from hemorrhoids, intestinal polyps, bowel cancer and other diseases can eat fresh fruits or vegetables, such as dragon fruit, grapes, strawberries, etc., in addition to yams, sweet potatoes, bok choy and other foods, lubricate the intestinal tract, accelerate intestinal emptying. Constipation patients can take fiber supplement medication such as methylcellulose, which absorbs water in the intestines to help with bowel movements. Medications such as bisacodyl may also be taken to promote bowel contractions. Constipation can also be treated with osmotic laxatives such as polyethylene glycol and lactulose, which increase the amount of water in the intestines for fast bowel movements. Constipation rely on food can not play a therapeutic role, the patient should be under the guidance of the doctor to choose the appropriate medication for treatment, if the effect of drug treatment is not good, can consider surgery to treat the primary disease.