Anal swelling and frequent stool sensation may be related to hemorrhoids, perianal abscess, sinusitis and other causes, need to be further differential diagnosis by the doctor. 1. Hemorrhoids: the typical clinical symptoms are bright red blood in the stool, accompanied by anal swelling and frequent bowel movements. 2. Perianal abscess: under the repeated stimulation of inflammation in the perianal area, it can be manifested as anal swelling, frequent bowel movements and other phenomena. 3. Sinusitis: due to the stimulation of inflammation in the anal canal, the mucous membrane is congested and edematous, which can lead to anal swelling, bowel movement and other feelings. Anal swelling and frequent bowel movements, it is recommended that patients go to the hospital in a timely manner to clarify the cause of the disease, standardized treatment under the guidance of the doctor, so as to avoid delays in the condition of the body to bring about adverse effects.