Bananas are known to assist in laxative properties. Banana is a fruit from the tropics, which contains 43mg magnesium, 1.4g protein, 60.0mg carotene and other nutrients, mainly for the body to replenish the required nutrients, substances, and water, etc., does not have a therapeutic effect and role, that is, it is difficult to achieve the role of treatment of laxative, only that the mild constipation patients, may play a certain role in helping, but the effect is not very The reason for this is that it is not a good idea. The cause of constipation is actually more complex, and diet, intestinal function are related, it is difficult to eat bananas to achieve a complete improvement in the role, if the situation is serious, or the need to take lactulose oral solution and polyethylene glycol and other laxative drugs for treatment, and at the same time to develop a good life, dietary habits. Bananas with more nutrients, but the role of constipation is limited, habitual constipation patients need targeted treatment.