A one centimeter perianal abscess requires surgery. Perianal abscess is an acute infectious disease, when the abscess breaks down pus will often flow out on its own, and is likely to lead to local serious infection, may even occur anal fistula, need to take early treatment. Perianal abscess one centimeter can be taken non-surgical treatment, mainly the local use of antibiotic drugs, such as erythromycin ointment, mupirocin ointment, etc., and with the cephalosporins intravenous infusion treatment, such as cefuroxime, cefotaxime, etc. can relieve the symptoms, but the main surgical treatment, need to incise and drain the abscess, and then carry out the conventional anti-infection treatment. Once found, perianal abscess should be promptly to the hospital, after a clear diagnosis to take surgical treatment as soon as possible, to avoid delay in treatment.