A column inside the anus may be caused by rectal polyps, rectal adenomas, hemorrhoids and other diseases, the patient should consult a doctor in a timely manner to clarify the cause of the disease and then carry out the appropriate treatment. 1. Rectal polyps: elevated lesions on the mucosal surface of the rectum, patients will have a column inside the anus, accompanied by symptoms such as urgency, blood in the stool, etc., can be surgically removed. 2. Rectal adenoma: inflammation or genetic mutation and other factors caused by benign tumors occurring in the large intestine closer to the anus, the patient can be manifested as a column growing inside the anus, which can be treated by surgical excision. 3. hemorrhoids: the anus inside a column may also be hemorrhoids caused by congestion and swelling caused by the patient should maintain a regular routine, eat less spicy and stimulating food, can be sitz bath, local release of drugs to relieve the symptoms, if necessary, can be operated. In addition to the above mentioned diseases, there are other reasons to consider a column inside the anus, it is recommended to check under the guidance of a doctor as soon as possible, to make a clear diagnosis, to avoid delaying the condition.