The phenomenon of anal fissure, need to clarify the cause of the disease, choose in the corresponding drugs for treatment, first of all, if it is due to anal fissure caused by the skin around the anus, the phenomenon of fissure, you can use erythromycin ointment to smear, but also can use glucocorticosteroid ointment to smear, these ointments have a very good anti-inflammatory, antiseptic, as well as to remove the rot and muscle effects. Secondly, if these fissures at the anus are caused by hemorrhoidal symptoms, you can use potassium permanganate lotion, after cleaning, apply hemorrhoidal ointment for treatment, including Ma Yinglong hemorrhoidal ointment, Anal Tai hemorrhoidal ointment, taining hemorrhoidal ointment, etc. can be used. If the fissure is caused by perianal eczema, you can apply erythromycin ointment, as well as Yunnan Baiyao ointment to the affected area for treatment, as well as dermatophyte ointment, for treatment.