Under normal circumstances, there is not a small hole in front of the anus, in front of the anus at the distal end, women for the vagina, men for the testicular tissue; small holes in front of the anus, may be perianal abscess, anal fistula, anal fissure and other conditions of the performance. 1. Perianal abscess: patients with perianal abscess will form a ring of bumps near the anus, and accompanied by obvious stinging sensation, pushable sensation, etc. If the abscess does not completely affect the anal tissues, there is no bumps in the areas that are not affected, and it will look like a small hole. 2. Anal fistula: If there is obvious pain near the hole, itching, eczema, pus, thickening of the skin, streaks of hard knots, defecation, etc., need to consider that it is caused by anal fistula, the small hole may be the formation of fistula, that is, the external mouth of the anal fistula. 3. Anal fissure: If the patient’s stool is too dry, it may lead to cracking of the skin around the anus, forming a small hole in front of the anus in the shape of a stripe, with bleeding and stinging sensation. There are small holes near the anus, if you can’t determine it by yourself, it is recommended that the patient go to the hospital in time, do a systematic examination to clarify the cause of the disease, and follow the doctor’s instructions to give active treatment.