Ma Yinglong generally refers to Ma Yinglong musk hemorrhoidal ointment, anal fistula selection of Ma Yinglong musk hemorrhoidal ointment or erythromycin ointment, need to be based on the condition, there is no absolute best; such as the combination of symptoms of infection, erythromycin ointment can be used. Anal fistula local medication is more complex, including local disinfection drugs potassium permanganate solution, etc., improve the pain symptoms of drugs such as Ma Yinglong musk hemorrhoid cream, etc., as well as local infection drugs such as erythromycin ointment, metronidazole and so on. The specific choice of what kind of drug is good, need to be based on the condition. Ma Yinglong musk hemorrhoid cream can be used for anal fistula combined with swelling, pain, bleeding and other symptoms of intervention, in the use of the need to pay attention to the prohibition of oral intake, prohibit direct contact with the eyes, oral mucous membranes, prohibit the consumption of alcohol, the use of avoiding spicy greasy and stimulating food intake. The drug should be used with caution in pregnant women. Erythromycin ointment can be used for anal fistula combined with localized pus and other bacterial infectious symptoms of intervention, but also can be used to prevent infection after surgery. It should be noted that in case of allergic reactions, such as increased pain, it is recommended to stop the use of the drug and rinse it off. Fistula is recommended to go to the hospital in time; the above drugs need to be used under the guidance of clinicians.