Swelling around the anus can be caused by perianal abscess, hemorrhoids, sinusitis and other diseases, patients can take medication, surgical treatment. 1. Perianal abscess: for perianal abscess caused by a circle around the anus feeling swollen, patients can follow the doctor’s instructions oral roxithromycin capsules, amoxicillin capsules and other antibiotics, but also the use of mupirocin ointment, fusidic acid ointment and other antibiotics ointment topical application. Patients with perianal abscess can also take surgical treatment according to the condition, such as incision abscess drainage, incision sphincter drainage and other surgical methods. 2. external hemorrhoids: external hemorrhoids can also cause patients to appear around the anus a circle touching the symptoms of swelling, patients can follow the doctor’s instructions oral ibuprofen extended-release capsules, aspirin tablets and other non-steroidal anti-inflammatory drugs. Patients with external hemorrhoids can also take surgical treatment, mainly hemorrhoidectomy, thrombectomy and other surgical methods. 3. sinusitis: for sinusitis caused by a circle around the anus feel swollen, patients can follow the doctor’s instructions oral cefixime tablets, amoxicillin clavulanate potassium capsules and other antibiotics. Patients can also undergo surgical treatment, such as anal sinusitis incision, anal sinusitis incision hanging surgery and other surgical methods. When patients have the symptom of a circle around the anus that is swollen to touch, they should seek medical treatment in time and follow the doctor’s instructions, so as to avoid aggravation of the condition and cause adverse consequences.