Tinnitus is a clinical symptom of some diseases, rather than a precursor of any disease, only through tinnitus, and can not judge what disease. Often the beginning of tinnitus is often not emphasized, and it is difficult to clearly diagnose, easy to cause the misunderstanding of the early precursor of a major disease. 1. Tinnitus is related to a variety of causes, such as intracranial vascular lesions, it may cause damage to the auditory nerve, thus triggering tinnitus. For example, in the case of acoustic neuroma, tinnitus may occur when the auditory nerve is damaged by pressure or blood supply in the early stage of the disease. 2. Too much dirt in the ear can block the ear canal, resulting in higher pressure in the inner ear, tinnitus symptoms can also occur, and nasal congestion caused by colds, may also cause abnormal pressure in the middle ear, thus triggering tinnitus. When tinnitus occurs, you need to go to the regular hospital in time to find the cause of the disease and actively cooperate with the doctor’s guidance, do not delay, so as not to delay the condition.