Finger inserted into the anus with pain, may be anal mucosal injury, hemorrhoids, anal fissure and so on. 1. Anal mucosal injury: if the patient inserts the finger into the anus when the nail is too long or the action is too rapid and rough, it may directly damage the anal mucosa, resulting in local nerve stimulation, the patient’s anus pain. 2. hemorrhoids: if you suffer from hemorrhoids, inserting fingers into the anus can stimulate hemorrhoids mucosal nerves, which can lead to local pain, some hemorrhoids can also be felt locally in the meatball. 3. anal fissure: the patients of this disease usually have longitudinal fissure in the anal skin, the formation of which is mainly related to defecation too hard and long-term dry stool, with the finger inserted in the anus, can lead to fissure collapsed, and then stimulate the nerves, resulting in patients with pain, the patients of this disease will also have defecation pain and bleeding and other symptoms. Finger inserted into the anus found that there is pain, it is recommended that patients need to do further examination to clarify the specific causes, and at the same time do not recommend that patients do their own anal diagnostic operation, improper operation will cause local bleeding, infection and other phenomena. If you have perianal discomfort, you should go to the hospital by a professional doctor to perform anus finger or anoscopy operation to check and make a diagnosis.