Usually there is no such thing as the fastest way to soften stools, but patients can achieve the effect of softening stools through food and medication. 1. Food: patients often eat fruits with high water content, such as apples and bananas, or green vegetables rich in fiber and vitamins, such as spinach, oilseed rape and celery, etc., which can improve intestinal function and soften stools. Meanwhile, drinking more honey water or milk can also promote defecation and strengthen intestinal peristalsis. 2. Drugs: patients can also use under the guidance of the doctor to soften the stool, promote defecation of drugs, such as polyethylene glycol, lactulose, etc., most of these drugs can increase intestinal water, through the lubrication of intestines to achieve the effect of softening stools. As a kind of topical drug, Keflex is also commonly used to soften stools and promote bowel movement. Patients are advised to use the medication under the guidance of a professional doctor to avoid private use of the medication, which may lead to adverse consequences.