Bright red blood drops before stool indicates that the bleeding point is mainly in the anus and rectum, which is related to anal fissure, hemorrhoids, rectal cancer and other diseases, and standardized examination should be carried out in order to clarify the specific causes. 1. Anal fissure: long-term constipation, dry stools may lead to anal fissure, may appear before the stool drops of bright red blood symptoms, often accompanied by obvious anal pain. 2. hemorrhoids: poor diet, bad bowel habits may cause hemorrhoids, can also lead to the stool before the drop of bright red blood. Especially internal hemorrhoids, blood dripping before stool is its main clinical symptom. Hemorrhoids may also be accompanied by anal pain, anal itching, prolapsed hemorrhoids and other symptoms. 3. Rectal cancer: the cause of rectal cancer is not clear, and it is related to environmental factors and genetic factors. There is no obvious symptom in the early stage of the disease, but with the development of the disease, the cancer breaks down and bleeds, and then there may be the manifestation of dripping fresh red blood before bowel movement. In addition, anal sinusitis, rectal mucous membrane injury, rectal polyps and other conditions may also lead to the drop of bright red blood before stool. Therefore, if you find that there is bright red blood dripping from the stool, you should consult a doctor in time to clarify the cause and follow the doctor’s instructions to reduce the adverse effects.