Abstract:Population is one of the core driving forces affecting the future trend. A demand analysis of science and technology is conducted based on China’s population vision in 2050. According to the result, in 2050, China''s population will be decreasing and difficult to achieve a moderate fertility, the aging will be deepen and the total labor force will decline, the health and quality of people will improve, more people will cluster in core metropolitan areas. The aging will cause increasing demand for diagnosis and management of chronic diseases and daily care, the structural shortage of labour need be well closed and their physical and mental health need be strengthened, people’s improving health produces increasing demand to cure serious diseases and replace aging tissue and organ, people’s improving quality changes their health consciousness and promotes them to purse high-quality medical services. As a result, the precision medical treatment, intelligent medical treatment, telemedicine, bio-printing, artificial intelligence, big data and other technologies prove more important.