Clinical Multicenter Randomized Controlled Study of Non-invasive Brain Oscillation Modulation in the Treatment of AD-MCI Patients

Inclusion Criteria: Male or female AD-MCI patients between the ages of 50-85; The psychological evaluation was in accordance with MMSE score of 18-30 (including 18 and 30) and CDR score of 0.5. Can cooperate to complete clinical research. Exclusion Criteria: There is a definite history of cerebrovascular stroke, and there are definite symptoms or signs of neurological deficit at the time of onset, and there are corresponding responsible lesions left by neuroimaging. Those who have a history of alcoholism, or drug addiction, or neurological diseases such as brain trauma, epilepsy, encephalitis, normal intracranial pressure hydrocephalus, etc. that can cause cognitive impairment. Suffering from systemic diseases that may lead to cognitive impairment (such as liver and kidney insufficiency, endocrine diseases, vitamin deficiency). Have a history of using antipsychotics for more than five years before diagnosis. There are contraindications for head MRI examination.