The cracks around the anal itching may be caused by anal fissure, perianal eczema, hemorrhoids, etc. Anal fissure can be used with diclofenac cream and other drugs, perianal eczema can be used with erythromycin and other drugs, hemorrhoids can be used with dioxymethamphetamine tablets and other drugs. 1. Anal fissure: generally due to constipation caused by anal fissure, there may be anal pain, itching, blood and other symptoms, anal fissure can be used under the guidance of a doctor, diclofenac cream, nitroglycerin ointment and other medications, allergic to this type of drug patients are prohibited. 2. Perianal eczema: generally due to gastrointestinal dysfunction, there may be itching, defecation pain, anal skin cracking and other symptoms, can be used under the guidance of the doctor erythromycin, vitamin C and other medications, erythromycin, as well as macrolides allergy is prohibited. 3. Hemorrhoids: generally due to frequent sedentary, may appear blood, itching, pain and other symptoms, can be used under the guidance of a doctor, such as Diosmin tablets, lidocaine and other drugs, allergic to this kind of drug patients prohibited. It is recommended that patients go to the hospital for examination, under the guidance of the doctor reasonable use of medication, avoid blindly use their own medication.