In Korea, due to changes in population structure such as low birth rate and aging society, as well as an increase in the number of chronic disease patients, the social burden of national medical expenses is increasing. In addition, interest in quality of life is increasing due to improvement in national income and standard of living, and demand for health management services such as customized products/services to maintain optimal health in daily life is increasing due to various health management demands. In addition, due to the recent spread of smartphones and the emergence of 4th industrial revolution technology, various technologies are being applied to health management services and products in the personal health management field as well.