Whether or not infusion treatment is needed after perianal abscess surgery should be judged according to the condition, if there is a serious infection and other conditions, it is necessary to use intravenous drugs to fight infection to control the condition. The treatment of perianal abscess after surgery is mainly symptomatic. It’s not necessary to have infusion treatment. Such as postoperative in order to prevent local wound infection, usually take local disinfection, potassium permanganate solution sitz bath and other interventions; for serious postoperative pain, usually through oral ibuprofen, celecoxib and other drugs for pain relief. If symptoms of localized septic infection or systemic infection such as fever occur after surgery, intravenous fluid therapy may be required to control the infection and promote wound healing. Commonly used drugs include penicillin, cefadroxil, etc. Whether or not infusion therapy is needed requires comprehensive judgment by the clinician, and it is recommended to cooperate with the physician’s treatment arrangements; the above drugs need to be used under the guidance of the clinician.