Head all day drowsiness tinnitus should do hearing examination, otoscopy, head CT or MRI, other tests and so on. 1. Audiological examination: It can clarify whether the condition is caused by various diseases such as neurodeafness and sudden tinnitus. 2. Otoscopy: To find out if the above symptoms are caused by various diseases such as otitis media and perforated eardrum. 3. CT or MRI examination of the head: it can check whether the condition is caused by various organic diseases such as cerebral hemorrhage, cerebral infarction, transient ischemic attack, craniocerebral tumor and so on. 4. Other tests: Laboratory tests, ultrasonography, electrocardiography and other tests can be used to make auxiliary judgment on the disease.