Voices in the head, medically called hallucinations, are a manifestation of hallucinations and essentially belong to mental disorders. Mental disorders are divided into organic mental disorders and functional mental disorders. The former is a clinical manifestation caused by serious organic diseases in the brain, and is a disease that needs to be seen in neurology, commonly caused by cerebral infarction, encephalitis, cerebral hemorrhage, traumatic brain injury, or poisoning, metabolic encephalopathy, mostly seen in patients with organic damage to the frontal and temporal lobes, whose hallucinations are more common with auditory hallucinations and visual hallucinations, and after treatment Later, most of the symptoms can be controlled and require the use of antipsychotic drugs, such as olanzapine, clozapine, quetiapine, etc. In functional psychiatric disorders, there is a family history and a genetic predisposition, with schizophrenia as the main representative, patients are no different from normal people before the onset of the disease, and there is a history of emotional stimulation at the onset of the disease. It requires long-term medication and cannot be completely cured.