What kind of food is most effective for severe constipation?

Severe constipation eating bananas, apples, yogurt, cabbage, cabbage, pitaya, cucumber and other foods, can reduce the burden on the stomach, relieve constipation symptoms; at the same time can take appropriate probiotics drugs, regulate intestinal function, promote gastrointestinal motility, help defecation, but also need to develop the habit of regular defecation.