The anal area is a bit swollen, consider the following causes: 1, may be caused by hemorrhoids, hemorrhoids occur with bad dietary habits, there may also be rectal venous blood return obstruction, so that the venous vessels appear varicose protrusion, when hemorrhoids are serious, the nucleus of hemorrhoids will appear enlarged, edema, will stimulate the sensory organs of the patient’s rectum, so there is a feeling of swelling in the anal area, you need to take a warm water sitz bath after The first thing you need to do is to take a warm water bath and use a tylenol suppository. 2. It may be a prolapsed anus, a prolapsed anal polyp, or a prolapsed internal hemorrhoid. 3. It may be a perianal abscess, which can have a fluctuating sensation with pressure and can push the swelling around the anus and other symptoms, which can be cured under surgical drainage. 4. It may also be an anal fistula or anal fissure that causes anal swelling. Due to the complexity of the cause, it is best to go to the hospital for further diagnosis and then treatment according to the cause.