Stool dilution, unformed stool and bright red blood are two symptoms, unformed stool is suspected of intestinal diseases, common irritable bowel syndrome, intestinal cancer, ulcerative colitis, etc., may lead to increased frequency of stool and unformed stool symptoms, and even watery stools can occur in severe cases. It is recommended to go to the gastroenterology department of the regular hospital to improve the electronic colonoscopy and other relevant auxiliary examinations to clarify the diagnosis, and at the same time must pay attention to avoid stimulating diet, avoid dairy products and soy products intake. Bright red blood is considered to be rectal or anal diseases, common rectal polyps, rectal cancer, internal hemorrhoids and anal fissure, it is recommended to go to the regular hospital anorectal department to improve the proctoscope and anoscopy and other related tests to clarify the diagnosis, according to the diagnosis results to decide the next step in the treatment program.