Effectiveness of Non-pharmacological Interventions for Dementia Prevention in Elderly Patients With Mild Cognitive Impairment

Inclusion Criteria: * Subjects diagnosed with mild cognitive impairment: * Cognitive complaints from the subject or a family member. * Report a decline in cognitive function compared to the subject's previous ability over the past year OR * Evidence from clinical assessment, specifically here is MMSE screening with results of 24-29 points. * Subjects did not suffer major impacts from cognitive complaints on daily life. * No prior diagnosis of dementia. * Ensure transportation from living location to hospital. * Have at least one relative or caregiver who can supervise the subject's daily activities. * Stable chronic underlying conditions (diabetes, hypertension). * Consent to participate in the study. Exclusion Criteria: * Don't know Vietnamese writing. * Audio-visual ability does not meet the requirements of assessment tests and prevention programs. * Systemic diseases are contraindications/ restriction to participation in programs and/or cause secondary cognitive impairment (traumatic brain injury, stroke, brain tumor, parkinsonism, epilepsy, acute coronary artery disease, acute myocardial infarction, bone fractures...). * The assessment score on the Geriatric Depression Scale (GDS-15) is ≥ 5 points. * Diagnosed with other mental disorders that may limit the ability to understand, communicate and work in groups (schizophrenia, mania, bipolar disorder, dissociative disorder, generalized anxiety disorder). * Currently participating in another research program on dementia prevention or a research program on medication to prevent dementia within the last 3 months. * Taking medications that may affect cognitive function, such as benzodiazepines, hypnotics, and antipsychotics. * Alcohol abuse: drinking alcohol daily or consuming more than 14 units of alcohol per week (equivalent to 10 grams of ethanol, as defined by the Ministry of Health); diagnosed with alcohol dependence or currently being treated for mental illness due to alcohol dependence. * Do not agree to participate in the study.