Red stool is a common clinical symptom, the causes are more, mainly related to improper diet, gastrointestinal bleeding, need to clarify the cause of symptomatic treatment. Common causes and treatment a, improper diet: recently too much red food such as red dragon fruit, red amaranth, watermelon, etc., may make the stool red, stop eating soon after the return to normal color. If the color form does not return to normal, further examination is required to determine whether there is a gastrointestinal tract disease; 2, gastrointestinal bleeding: 1, such as intestinal infection in addition to blood in the stool, often accompanied by fever, abdominal pain, fishy stools and other symptoms, usually according to the results of bacterial culture, the symptomatic choice of antibiotics for treatment; 2, intestinal entrapment: common in infants and young children, but also occasionally in adults, a section of the intestinal tube into the adjacent intestinal tube, compression of the mesentery The typical manifestation is continuous blood in the stool and abdominal pain, which requires medical attention as soon as possible, and can be determined by abdominal CT or ultrasound. The lesions can be surgically removed, and malignant tumors also require adjuvant radiation therapy or chemotherapy; 4, perianal diseases: such as hemorrhoids, anal fissures, anal fistula, etc., usually accompanied by dripping or jet bleeding during defecation, attached to the surface of the stool, making the stool reddish. Mild cases can be conservatively observed, if repeated bleeding will require surgical treatment to eradicate the lesion. The clinical symptoms of red stool vary according to the location of the lesion and the rate of bleeding, and can be life-threatening in severe cases. If the normal diet exceeds two days, or if there are obvious symptoms such as dizziness, palpitations, cold hands and feet, shock, etc., you need to seek medical attention as soon as possible for further examination and active treatment. Pay attention to daily dietary hygiene, do not eat spoiled food, daily intake of fresh fruits and vegetables, regular medical checkups, quit smoking and limit alcohol, and maintain a good mood.