Every time a urinary tract infection, the stool will be sour and indigestible, considering the improper diet, intestinal flora dysbiosis, complication of acute enteritis, etc. Related to the urinary tract infection, the stool will be sour and indigestible, the stool will be sour and indigestible. 1. Improper diet: If the person suffering from urinary tract infection does not pay attention to the rationality of the diet, a large amount of intake of indigestible, high-fat food or overeating, etc., easy to cause every time a urinary tract infection will be acidic, indigestible phenomenon. 2. Intestinal dysbiosis: patients with urinary tract infections can be induced by medications, poor dietary habits, intestinal dynamics abnormalities, intestinal dysbiosis. Disease can cause some patients to diarrhea, abdominal pain, abdominal distension, fever, nausea and vomiting and other symptoms, can also be manifested as sour stool, indigestion phenomenon. 3. Concomitant acute enteritis: if the urinary tract infection for attention, prompting the pathogen upstream infection to the surrounding organs, triggering acute enteritis, the patient can be due to gastrointestinal dysfunction and the phenomenon of foul-smelling stools, indigestion. Acute enteritis patients are also prone to diarrhea, abdominal pain, nausea and vomiting and other symptoms. Abnormal stools in the case of urinary tract infections may also be caused by other factors, it is recommended that patients go to the regular hospital in order to clarify the cause of the disease and follow the doctor’s instructions. Pay attention to strengthen personal hygiene care, dietary care, drink more water, frequent urination, to prevent recurring urinary tract infections.