Constipation can eat probiotics, probiotics can regulate intestinal flora to improve constipation. Probiotics mainly refers to the general name of the beneficial bacteria in the intestine, through the method of extracorporeal intake to increase the number of one or several kinds of probiotics in the intestinal tract, so as to regulate the balance of intestinal flora, so as to play a role in the prevention and treatment of diseases. Constipation is mainly caused by various reasons such as slowing down of gastrointestinal peristalsis, probiotics enter the intestine through the oral cavity, through competition with harmful bacteria for oxygen, nutrition and colonization sites, to proliferate effectively, thus changing the balance of the intestinal flora, increasing the intestinal motility, and increasing the normal physiological function of the intestine, so as to achieve the purpose of improving constipation. Different causes of constipation treatment is different, it is recommended to go to the hospital, clear cause, targeted treatment, so as not to aggravate the condition, and probiotics need to be used under the guidance of a physician, do not blindly apply probiotic treatment.