Cold ear can not hear may be infected Eustachian tube dysfunction, resulting in secretory otitis media, should control the infection, improve the function of the Eustachian tube, and in severe cases, feasible tympanocentesis. 1. Control the infection: acute otitis media, such as bacterial infection, can be used erythromycin, cefazoxime and other oral or intravenous treatment. Anti-inflammatory treatment such as dexamethasone and prednisone can also be used. 2. Improve the function of the Eustachian tube: Oral myrtle oil enteric capsules can be used to thin the mucus and increase the clearance function of the Eustachian tube mucosa. When nasal congestion is severe, hydroxymetazoline hydrochloride and other decongestants can be used to spray the nose to improve the symptoms. 3. Tympanocentesis: In severe cases, tympanocentesis can be used to extract the fluid in the anterior or posterior part of the tympanic membrane to improve the symptoms. It is recommended that patients consult a doctor to check their condition in time, actively cooperate with the doctor to clarify the diagnosis and cause of the disease, and follow the doctor’s instructions to standardize the use of the above medications and treatments.