For people who have irregular stools and diarrhea easily, it may be caused by gastrointestinal tract lesions, intestinal dysfunction and other systemic diseases. 1. Gastrointestinal tract lesions: If you suffer from ulcerative colitis, Crohn’s disease or gastrointestinal tumors and other diseases, due to the activation of the immune response of the intestinal mucosa, intestinal mucosal damage, the main symptoms of diarrhea and unshaped stools, can be diagnosed clearly through gastroenteroscopy, abdominal CT and other tests. 2. Intestinal dysfunction: when suffering from irritable bowel syndrome or intestinal flora dysbiosis and other diseases, the peristaltic ability of the intestinal tract is reduced, and the food is not fully digested and absorbed, so there will be unshaped stools and diarrhea very easily. 3. Other systemic diseases: If you suffer from rheumatic immune diseases, involving the smooth muscle of the gastrointestinal tract, resulting in muscle spasms, or hyperthyroidism in the population, the increase in basal metabolic rate, will lead to unformed stools with diarrhea. Unformed stools and easy diarrhea, may also be caused by other diseases, it is recommended to go to the hospital as soon as possible, after identifying the cause of the disease, under the guidance of the doctor for targeted treatment.