Perianal itching is mostly caused by allergy, fungal infection, eczema, etc. Ointments for perianal itching include anti-allergy ointment, anti-fungal infection ointment, and ointment for eczema. 1. Allergy-induced perianal itching: anti-allergy ointment can be used, commonly used ointments are tacrolimus ointment, hydrocortisone butyrate cream, benadryl ointment and so on. 2. Perianal itching caused by fungal infection: anti-fungal infection ointment can be applied, such as miconazole nitrate ointment, Butenafine hydrochloride cream, ketoconazole cream and so on. 3. Eczema caused by perianal itching: can be used externally to stop itching eczema ointment, such as zinc oxide ointment, boric acid zinc oxide ice cream ointment. These ointments can appear skin irritation, skin keratinization and other side effects, in the use of these ointments, must be strictly in accordance with the medical prescription under the guidance of a doctor. In addition, pay attention to personal hygiene and cleanliness, and eat a light and balanced diet.