There are many common fruit and vegetable juices for constipation. Celery is very popular now. High-fiber food represented by celery can promote gastrointestinal peristalsis, thus achieving the effect of relaxing bowels. Recommend a celery pineapple juice. You can use celery and pineapple as vegetables and fruits. Wash celery and pineapple, cut into sections or blocks, and put them into a juicer. Pineapple is rich in vitamin C and celery is rich in dietary fiber. The combination of the two can promote gastrointestinal peristalsis and improve constipation. Figs, plums, oranges and strawberries can also be used. Squeeze juice to promote defecation.