Eating bananas is useful when you are constipated. However, compared to medicines, food is weak and slow to work and needs to be consumed regularly to be effective. Foods are generally not used to treat diseases. Bananas are a kind of fruit, rich in dietary fiber, carotene, vitamin A, folic acid, biotin and other nutrients, of which dietary fiber can promote intestinal peristalsis, soften stools, and promote the role of defecation. So when constipation, eating bananas has a certain role. In addition to eating bananas, you can also drink more water, appropriate exercise exercise, also help to promote defecation. If lifestyle interventions fail to produce a bowel movement, consider using medications such as corkscrew, polyethylene glycol electrolytes, and magnesium sulfate. If constipation cannot be relieved by lifestyle interventions, it is recommended to go to the hospital and get a clear picture of the cause of the problem under the guidance of a doctor and take targeted treatment, do not take medication on your own to avoid delaying your condition.