The main causes of anal itching of hemorrhoids include bacterial infection, perianal eczema, etc. Local antibiotics and immunomodulators can be applied to relieve discomfort. 1. Bacterial infection: inflammation stimulation can cause anal itching, you can apply local antibiotic creams, such as erythromycin ointment, erythromycin ointment, mupirocin ointment, etc. to control inflammation and improve symptoms. 2. Perianal eczema: Perianal eczema, according to the condition can be applied locally immunomodulators such as tacrolimus ointment, or tretinoin econazole cream to reduce the itching and promote the improvement of the disease. Due to the diversity of causes and individual differences, the drug is not absolutely the most effective and safest, need to be standardized under the guidance of a doctor, do not take medication without authorization, such as drug adverse reactions to timely medical treatment, drug allergy is prohibited.