The causes of unshaped stool but not diarrhea may be gastrointestinal dysfunction, intestinal polyps, colorectal cancer, etc. 1. Gastrointestinal dysfunction: If the patient has recent emotional tension, anxiety, excessive pressure or unclean diet, irregular diet, etc., it may affect the normal activity of gastrointestinal function, which may cause gastrointestinal dysfunction and lead to unshaped stools. Patients need to adjust the psychological state, pay attention to diet. 2. Intestinal polyps: If there are polyps in the patient’s intestines, due to the presence of polyps, it will lead to the symptoms of unformed stools, and the patient will not have diarrhea, but it may be accompanied by abdominal pain, abdominal distension and other symptoms. It is recommended to go to the hospital for colonoscopy as soon as possible. 3. Colorectal cancer: if patients have symptoms such as change in bowel habit and increase in frequency of bowel movement besides unshaped stool, it may be caused by colorectal cancer. It is recommended to go to the hospital as early as possible to improve the relevant examination, and take surgical treatment and radiotherapy according to the condition. There may be other factors that may cause unshaped stool but not diarrhea. It is suggested that patients should consult gastroenterology department in time, improve the abdominal CT and colonoscopy and other related examinations, so as to clarify the cause of the disease and treat it positively to avoid delaying the condition.