Watermelon can provide relief and treatment for constipation patients, but it is not effective for all constipation patients. Watermelon is a cold food, which can stimulate the peristalsis of the intestines, thus promoting the discharge of stool. For patients with constipation caused by heat, it can reduce the false fire in their bodies, thus providing some relief to constipation. However, watermelon should not be eaten in excess to avoid causing diarrhea. For the treatment of constipation, the cause should be treated, in addition to changing the diet and lifestyle habits, you can also selectively apply medication, such as stimulant laxatives, such as phenolphthalein tablets; osmotic laxatives, such as magnesium sulfate, lactulose, etc.: lubricating laxatives, such as cork.