The treatment of dementia is as follows: i. Find the cause of dementia, if dementia is caused by depressed mood or lack of sleep, patients are advised to adjust their mood and improve their sleep; ii. Clinically seen in some epileptic disoriented seizures, especially common in children, if necessary, give the child EEG monitoring, and apply antiepileptic drugs to the child under the guidance of EEG, such as ethosuximide, sodium valproate, etc.; iii. It can be seen in some patients with Alzheimer’s disease. Due to brain atrophy and decreased brain cell function, dimming, slow reaction, etc. This condition is mainly treated with Alzheimer’s disease, and patients are given oral acetylcholinesterase inhibitors, donepezil hydrochloride or staphylococcus aureus, etc.