Pus in the ear is commonly found in chronic suppurative otitis media (active stage), fungal disease of the external auditory canal, diffuse otitis externa, etc. The cause of the disease should be clarified first, and targeted treatment should be chosen according to the cause and symptoms. 1. Chronic suppurative otitis media (active stage): the main manifestations are pain in the ear, discharge of secretions from the ear canal, hearing loss, tinnitus and other symptoms. Treatment is mainly based on the use of erythromycin, cefuroxime, cefazoxime and other antibiotics to control the infection. 2. Fungal disease of the external auditory canal: symptoms such as discomfort, swelling and pain, itching, and amount of discharge from the external auditory canal may occur. Generally, it can be treated with medicines such as salicylic acid ethanol solution, muscimol ethanol solution, mycotoxin, miconazole and so on. 3. Diffuse otitis externa: mainly manifested as ear pain, burning, secretion. Oral penicillin, cefaclor and other antibiotics can be taken to treat, and topical ichthyol, polymyxin B, tretinoin acetate ointment and so on to alleviate the symptoms. It is recommended that patients go to the hospital in time to clarify the cause of the disease. If you need to use drugs, you need to use under the guidance of a doctor.