Post-surgical vertigo may be caused by cerebellar infarction, hemorrhage or otitis media, etc., which should be judged in conjunction with the actual situation, as follows: 1. Cerebellar infarction and hemorrhage: many patients have vertigo after surgery because of hemorrhage during surgery, or the depth of anesthesia is too deep thus causing hypotension, which can cause cerebellar infarction, and hypertension may also cause cerebellar hemorrhage, when the cerebellum has a certain abnormal state, it is When the cerebellum is in a certain abnormal state, it is easy to cause the change of vertigo. In this case, we have to improve the head CT and head MRI in order to finally clarify; 2. Otitis media: some patients may be induced by diseases such as otitis media, which can also cause tinnitus and vertigo, so it is recommended to improve the examination in order to clarify the specific changes.