Itchy anus circle is mainly caused by personal hygiene problems, commonly found in anal eczema, anorectal diseases and other reasons. 1. Anal eczema: mainly personal not pay attention to hygiene, resulting in bacterial, fungal and other infections caused by eczema manifestations, mainly itching, localized pimples, scales, moist pus and other symptoms, the need for drug treatment, such as loratadine, chlorpheniramine maleate, metronidazole tablets, or local use of eczema cream. 2. Anal and intestinal diseases: such as anal fistula, hemorrhoids, anal fissure and other diseases, there will be secretion oozing out and thus stimulate the perianal area to cause itching, you need to take medication or surgical treatment as soon as possible, such as hemorrhoidal ointment, erythromycin ointment, etc., surgical procedures such as hemorrhoidal external stripping and internal ligation, anal fistula resection, anal fissure surgery. It is recommended that patients go to the anorectal department in time, clear diagnosis, follow the doctor’s prescription medication, to avoid blindly using drugs to delay the aggravation of the condition.