Self-measurement methods of perianal abscess, mainly including clinical symptoms, auxiliary examination and so on. 1. Clinical symptoms: perianal abscess is related to localized infection, and the patient mainly manifests perianal skin breakage, inflammation, perianal itching, pus oozing, lumps, pain, burning and so on. If there is obvious discomfort in the perianal area, consider that it is related to perianal abscess. 2. Auxiliary examination: the above symptoms can be examined in the anorectal department of the hospital, such as taking the patient’s blood, routine blood tests. If the white blood cells are found to be obviously elevated, it can be considered to be related to perianal abscess. Secondly, anal ultrasonography should also be performed, which can check the size and scope of the perianal abscess. Patients feel severe pain in the anus or rectal area, local skin redness, swelling, broken, pus, etc., it is recommended to go to the hospital in time to get a clear diagnosis, and follow the doctor’s instructions to give reasonable and standardized treatment to avoid aggravation of the condition.