The superficial type of perianal abscess often refers to perianal subcutaneous interstitial abscess, which is superficial in location and is mainly characterized by throbbing pain, redness and swelling of the perianal skin. Perianal subcutaneous interstitial abscess is often located in the posterior or lateral subcutaneous interstitial space of the anus, and its scope is usually small. It is often caused by anal gland infection, perianal skin infection, injury, internal hemorrhoids, etc. Abscess is the acute phase manifestation of post-infection inflammation. Perianal subcutaneous interstitial abscess is mainly manifested as persistent throbbing pain around the anus, and there are usually no systemic symptoms of infection such as fever. The lesion site often has obvious redness, swelling, hardness or pressure pain, etc., some patients may have fluctuating sensation, puncture is easy to extract pus. If there is any discomfort in the perianal area, it is recommended to consult a doctor for a clear diagnosis and give standardized and reasonable treatment as soon as possible according to the doctor’s instructions, so as to avoid aggravation of the abscess infection.