Finger infection and swelling, if the swelling is mild, you can use antibiotics such as mupirocin ointment topical application, etc.; if the formation of abscess, need to be incised and drained. 1. Mild swelling: finger infection is usually caused by bacterial infection, mostly Staphylococcus aureus, if it is mild swelling, pain, you can apply mupirocin hydrochloride ointment, this product has antibacterial effect, adverse reactions have local burning sensation. Or oral amoxicillin, allergic to the above drugs are prohibited. 2. Serious swelling: if the finger infection is serious, the formation of abscess, can use 75% alcohol or iodine povidone to clean and disinfect, and then oral amoxicillin and other anti-infective treatment, timely abscess incision and drainage, active control of local infection, to avoid causing serious complications. The presence of infected swollen fingers, should be timely consultation, under the guidance of the doctor reasonable treatment, so as not to aggravate the condition.