Inclusion Criteria:  Age ≥ 50 years Patients with vascular cognitive impairment according to modified Fazekas scale grade 2~3 and/or more than 3 of lacunar infarction in Supratentorial Patients with Clinical Deterioration Rating(CDR) score of 0.5 Patients with Korean-Montreal Cognitive Assessment (K-MoCA) score of 23 or less Walk or move using walking aids (i.e., walkers, walking sticks or wheelchairs) Written informed consent  Exclusion Criteria:  Clinical diagnosis of dementia (including secondary dementia due to Alzheimer's disease, vascular dementia, infections of the central nervous system (e.g., HIV, syphilis), Creutzfeld-Jacob disease, Pixie disease, Huntington's disease, Parkinson's disease, etc.) Medication of dementia within the past 3 months. (e.g., donepezil, galantamine, rivastigmine, memantine) Medication of brain functional improvement medication within the past 6 weeks. (e.g., citicoline, oxiracetam, piracetam, choline alfoscerate, Nicergoline, Nimodipine, ginko-biloba, acetyl-l carnitine) No studies (no regular school entrance), illiteracy Stroke within the past 3 months Abnormal results from Vitamin B12, Thyroid Stimulated Hormone Test (TSH), HIV-Ab, and VDRL test contribute to or contribute to cognitive impairment of the subject Serious mental disorders such as severe depression, schizophrenia, alcoholism, drug dependence, etc. Severe cardiovascular disease such as myocardial infarction, unstable angina or heart failure within the past 6 months