OGA Smart Healthcare System is built on the foundation of Internet of Things (IoT) architecture, integrating various physiological measurement devices, including Bluetooth blood pressure monitors, non-contact forehead thermometers, radar millimeter wave physiological measurement, and fall detection systems. It provides individuals with daily physiological measurements and health management, automatically uploading data to the cloud for personal health information storage, and offers consultation services for remote care institutions. Additionally, products such as water disinfection electrolyzed water and Japan-imported environmental odor-removing activated water are provided to create a friendly living environment, offering comprehensive health management, care services, and quality living for the elderly.