Buzzing in the ears is considered to be tinnitus, which may be related to aging, trauma, secretory otitis media, hypertension and other diseases. 1. Ageing: With age, the functions of various organs of the body will gradually decline, so the elderly often appear physiological tinnitus, which is a normal situation. 2. Trauma: If the head and neck have recently suffered serious trauma, tinnitus can also be caused if the nerves are damaged and the normal blood flow is affected. 3. Secretory otitis media: the basic cause of the disease is pathogenic bacterial infection, such as Streptococcus pneumoniae, Haemophilus, Staphylococcus aureus, etc., followed by obstruction of the Eustachian tube, which includes chronic sinusitis and adenoid hypertrophy. When there is negative pressure or fluid accumulation in the middle ear, there will be a buzzing in the ear. 4. Hypertension: the etiology of this disease is not yet clear, it may be related to heredity, or secondary to aortic insufficiency, glomerulonephritis, traumatic brain injury and other diseases, common risk factors are obesity, excessive alcohol consumption, chronic stress, age and so on. Typical symptoms include tinnitus, palpitations, arrhythmia and headache. The exact cause of the disease should be clearly diagnosed after examination by a specialist.