Always loose stools may be caused by improper diet, or may be caused by intestinal flora imbalance, irritable bowel syndrome, bacillary dysentery and other diseases, you should consult a doctor in time to find out the cause of the disease. 1. Improper diet: Long-term improper diet, cold food and drinks, or cold abdomen can stimulate intestinal peristalsis, resulting in shortening the retention time of food in the intestinal memory, thus leading to loose stools. 2. Pathological factors: (1) Intestinal flora imbalance: such as irrational or abusive use of antimicrobial drugs, poor dietary habits, gastrointestinal diseases, etc., can cause intestinal flora imbalance, abdominal pain, diarrhea, stools are not shaped and other symptoms, and some patients can be accompanied by fever, vomiting, and in severe cases, can lead to shock. (2) Irritable bowel syndrome: This is a common gastrointestinal dysfunction disease, which also has the symptom of unformed stools. The main clinical manifestations are persistent or intermittent episodes of abdominal pain, abdominal distension, accompanied by changes in bowel habits and abnormal stool characteristics, such as diarrhea, constipation or alternating diarrhea and constipation. (3) Bacterial dysentery: mainly caused by Shigella infection, which is contagious and will cause patients with different degrees of symptoms, manifested as irregular stools, accompanied by fever, abdominal pain, urgency and heaviness (discomfort in the lower abdomen, wanting to defecate very much, and a feeling of incomplete defecation after defecation) and other symptoms. In addition, dyspepsia, intestinal neoplastic lesions, chronic enteritis, intestinal tuberculosis, hyperthyroidism, etc., may also have the symptom of unformed stools, and should be promptly consulted, complete the relevant examinations, and carry out the appropriate treatment.