If you don’t know the obvious cause of the headache, or if you don’t know which department to go to, you can go to the neurology department, and then the neurology department can decide which department to go to according to the corresponding causative factors or other aspects of the situation. First of all, if the headache is caused by intracranial tumor, cerebrovascular disease, intracranial inflammation or even epilepsy, or if the headache is caused by obvious triggers, such as trauma, long-term fatigue and mental tension, and no obvious rest, then the headache is usually caused by intracranial changes, then go to the neurosurgery department for consultation. Secondly, if the headache is a combination of eye pain caused by prolonged looking at something, this may also be a case of glaucoma, so you should go to the ophthalmology department for consultation. This time, point 3, if it is due to occipital nerve pain or cervical spine pain related headache, it is necessary to go to the pain department or rehabilitation physiotherapy department for consultation. Finally, point 4, if you don’t know what the cause is, you should go to neurosurgery if you have headache symptoms. It is best to consult a neurosurgeon for a diagnosis, so that the disease can be better examined and treated.