Constantly unformed stools may be caused by rectal cancer, but may also be caused by enteritis, other gastrointestinal diseases, and non-disease factors. There are many predisposing factors for irregular stools, including diet, genetic factors, age, gastrointestinal diseases, and poor lifestyle. The early symptoms of rectal cancer include frequent bowel movements, change in bowel habits, incomplete bowel movements, deformed stools, blood on the surface, etc. Patients may also suffer from weight loss and weight loss. If the patient only has the phenomenon of unformed stool and no other problems, there is no need to worry too much, and the patient needs to be examined and treated for the cause. Patients with irregular stools should pay attention to their daily diet and lifestyle habits while actively determining the cause, eat regularly and quantitatively, live a regular life, ensure adequate sleep, and eat less cold, greasy and gas-producing foods.