The incidence of perianal abscess is mostly related to the infection of Staphylococcus aureus. The infection may come from the infection of anal recess, and may extend to the space around the anal canal and rectum along the direction of anal gland and lymphatic drainage, thus leading to the formation of abscess in patients. If a patient with perianal abscess is found, he/she can go to a regular hospital for a local color ultrasound examination as soon as possible. At the same time, a local secretion culture examination and blood routine examination can be performed. According to the doctor's guidance, broad-spectrum antibiotics should be used for treatment. If the abscess is formed, surgery should be carried out as soon as possible, In daily life, we should maintain the cleanness and hygiene around the anus. At the same time, we can use potassium permanganate hip bath to cooperate with the treatment.