Celery juice can promote defecation and improve constipation symptoms. Celery belongs to high fiber vegetables, each 100 grams of celery contains 1.4 grams of crude fiber, can stimulate intestinal peristalsis, increase intestinal fecal volume, promote fecal discharge, so celery or celery juice helps defecation. In addition, you can also eat carrots, spinach, greens, leeks and other vegetables can also stimulate intestinal peristalsis to promote defecation. For acute functional severe constipation patients, drinking celery juice can only assist in defecation, it is recommended to promptly go to a formal medical institution to seek medical treatment, under the guidance of a physician to give Kaiser or oral lactulose, polyethylene glycol electrolyte bulk, mannitol and other laxatives to promote fecal excretion.