Dry stool bleeding bright red without pain may be a physiological phenomenon; can also be a symptom of certain diseases, such as internal hemorrhoids, rectal polyps and rectal tumors, etc., and should be promptly consulted to identify the cause of the disease. Dry stool bleeding bright red without pain can be seen in physiological conditions, such as constipation and ate dragon fruit, constipation can lead to dry stool damage to the anal mucosa bleeding, dragon fruit pigmentation can lead to the surface of the stool is red. In addition to physiological conditions, bleeding in the stool can also be seen in diseases such as internal hemorrhoids, rectal polyps and rectal tumors. Internal hemorrhoids are mostly seen in sedentary patients, and their main symptoms are painless stool and bleeding after stool, which can generally be improved with more exercise and surgery. Rectal polyps and rectal tumors require colonoscopy for a clear diagnosis, and are most common in the elderly. In addition to gastrointestinal symptoms, they may also be associated with weight loss, anemia, and loss of appetite, and need to be diagnosed as early as possible. If the symptoms do not appear in the physiological situation, it is recommended to go to the hospital, differential diagnosis, under the guidance of the doctor for standardized and rational treatment.