Perianal abscess from the appearance, usually in the anus around the appearance of a small hard lump or lump, there will be obvious pressure and pain, with the development of the disease lumps and redness of the area continues to increase. Perianal abscess is an acute suppurative infection that occurs in the soft tissues around the anal canal and rectum or in the interstitial space around them, forming an abscess. For a superficial perianal abscess, it often presents as redness of the perianal skin and the appearance of a small hard lump or bump. Pain may appear when pressed. With the development of the disease, the area of redness and swelling and the volume of the lump are increasing, and when the abscess gradually matures, a fluctuating sensation will appear when pressed. For patients with deep abscesses, there may be no perianal skin changes, and lumps or fluctuating sensations may be detected during rectal palpation. Some patients may have fever, generalized fatigue, and the diagnosis can be confirmed by laboratory tests, local ultrasound and other auxiliary examinations. If the diagnosis of perianal abscess is confirmed, it is recommended to carry out standardized treatment as soon as possible to reduce the adverse effects caused by the disease.