Bactroban is a trade name, generic name mupirocin ointment, if the anal fissure caused by sensitive bacterial infection can be used for anal fissure, should be used in accordance with medical advice. Anal fissure is a small ulcer formed by cracks in the skin layer of the anal canal, and the clinical symptoms include perianal pain, bleeding, and constipation. Can be caused by hard stool, defecation make damage, or do anoscopy damage, infection and other factors. Mupirocin ointment can be used for skin infections caused by gram-positive cocci, such as folliculitis, eczema co-infection, impetigo, boils, superficial trauma co-infection. Therefore, anal fissure caused by sensitive bacterial infection can be treated with this product. Adverse reactions to this product can be seen as skin allergic reactions such as swelling, rash, etc. It is contraindicated for those who are allergic to mupirocin. It should be used rationally under the guidance of a doctor.