Pineapple has a relieving effect on constipation, but people who are constipated cannot rely solely on eating pineapple for treatment. Pineapple is a relatively common fruit in life, this fruit is rich in protease, vitamins and minerals, proper eating of pineapple helps to improve the immunity of the digestive system and promote the health of the body. The transparent digestive enzymes can promote food digestion and decomposition, which can make the intestine absorb the nutrients in food more easily. The dietary fiber in pineapple can promote intestinal peristalsis and the elimination of feces in the intestine, and it can also absorb water to increase the volume of feces. Eating pineapple for constipation only has a certain preventive and improvement effect, only as an auxiliary method, but not as a drug treatment method. In the phenomenon of constipation should try to choose drugs for treatment, such as lactulose, fruit guide tablets, aloe vera capsules, hemp nut intestinal pills, etc., should also be appropriate exercise, frequent abdominal massage to better treatment of constipation.