The company mainly engages in technology development and information services in the field of big health technology, focusing on intelligent wearable devices as carriers, internet health services as the center, and hypertension and chronic disease management services. Taking hypertension as the starting point: (1) We independently developed the "Maidong Intelligent Health Management Platform", which uses Maidong Intelligent dedicated blood pressure bracelet and PPG+AI modeling technology to automatically and completely collect human vital sign data 24 hours a day; (2) Cooperate with the bracelet APP data anomaly warning (warning can be shared by family members and family doctors at the same time), trend analysis to guide personal health management; (3) The Maidong Doctor Workstation conducts different algorithm screening based on complete data, guides medication and auxiliary diagnosis and treatment services based on individual blood pressure and heart rate peak patterns; (4) Combining height, weight and age based on big data analysis and cloud computing technology, provide refined and personalized diagnosis and treatment and health management services for patients with hypertension, and create an ecological closed-loop management system of "intelligent wearable devices+Internet plus+chronic disease management+big data"