Two months after the ear piercing there is still pus, there is a bacterial infection or allergic secondary infection, need to clear the pus sterilization treatment, in addition to the doctor’s guidance to take anti-allergy drugs or antibiotics to deal with the cause. 1. Allergic reaction: part of the ear jewelry material allergy may cause allergic reaction at the ear hole, secondary bacterial infection will cause pus, you can take anti-allergy drugs such as cetirizine, loratadine, etc. to relieve allergic symptoms, disinfection of the wound, local application of antibiotic ointment. 2. Infection: Bacterial infection may occur when the ear piercing is not properly cared for, manifesting as the symptom of pus, and it is recommended to use antibiotics such as mupirocin ointment and erythromycin ointment to control the inflammation. Due to the diversity of etiology and individual differences, drugs need to be used under the guidance of a doctor, and the emergence of adverse reactions promptly consult a doctor. In addition to medication, care should be taken to keep the ears clean and hygienic to avoid aggravation of the condition.