Erythromycin ointment can be used if itchy symptoms appear around the anus. Most of the symptoms of itching around the anus are due to eczema around the anus and surrounding inflammatory stimuli. For inflammatory infections, erythromycin ointment can be used to prevent infection and inhibit bacterial regeneration to achieve the purpose of stopping itching. For some patients with complicated anal eczema, in addition to anti-infection with erythromycin ointment, the application of eczema ointment, such as clinically common Euthyrox and some hormonal ointments, applied around the anus, is more effective for the symptoms of itching around the anus. Some anal fistulas or fissures around the anus, long-term exudation, stimulation around the formation of inflammatory lesions, in addition to local medication, it is best to go to the anorectal hospital for a detailed examination. For anal fistulas and sinus tracts, it is best to undergo surgery to completely stop the itching.