With the implementation of the Healthy China strategy，the healthcare industry centered on great health，great hygiene and great medicine is expected to exceed the market size of 10 trillion Yuan during the 13th Five-Year Plan period. The health industry shall lead a new wave of economic development and natural health and related industries shall become the focus of government support，mass consumption and business investment. The development of health-related industries（veritable sunrise industries）has become a global trend. The health industry is an industrial system that aims to meet the growing health needs of people and focuses on the production and service of health products. This part mainly introduces three well-developed natural health industries at present：the nutraceutical industry，the aromatic industry and the hydrotherapy and drinking water industry. The natural health industry and related industries provide individuals or families with continuous health products or services that cover the entire lifecycle. Although the concept of natural health is old-fashioned，the natural health industry is flourishing both at home and abroad and its product technologies are progressing. Natural health products and services have become an important means of health management and promotion，a major part of complementary alternative and medicine，an satisfaction of diversified health needs，an important connotation of health service activities and a development direction of modern health industry.