Redness and itching around the anus may be caused by hemorrhoids, perianal eczema, anal fistula, etc. It can be treated under the guidance of a doctor by using medications such as lidocaine cream, zinc oxide ointment and cefixime. 1. Hemorrhoids: If the patient has bad bowel habits and eating habits, etc., which can cause the appearance of hemorrhoids, thus leading to red, itchy symptoms around the anus, can be treated under the guidance of the doctor through the use of lidocaine cream, hydrocortisone cream, nitroglycerin ointment and so on. 2. Perianal eczema: the disease is mainly related to heredity, trauma, local environment hot and humid factors, patients will appear around the anus red, itchy situation, can be under the guidance of the doctor, through the use of zinc oxide ointment, aluminum acetate, vitamin B and other drugs for treatment. 3. Anal fistula: most patients with anal fistula is caused by perirectal anal canal abscess, resulting in patients with perianal redness, itching, can be under the guidance of the doctor, the use of cefixime, metronidazole, ornidazole, fusidic acid cream and so on for treatment. It is recommended that patients under the guidance of the doctor, strictly follow the medical advice to use drugs, not blindly use drugs or change the dose of drugs without authorization, so as not to aggravate the condition.