Abstract:The study takes the patent-intensive industries in Tianjin during 2016-2020 as the research object, measures the contribution of patent-intensive industries to Tianjin and study the impact of four investment indicators of manpower investment, capital investment, R D scale and policy support on the development of patent-intensive industries. The research shows that the ratio of patent-intensive industries to total industrial output value, new product export value and personnel labor expense of Tianjin during 2016-2020 is 35.24%, 81.63% and 59.10%, respectively, which plays an important supporting role in the economic development of Tianjin. The main factors affecting the development of patent-intensive industries in Tianjin gradually changed from the internal expenditure of R D funds, policy support and human capital investment to the scale of R D activities, the investment of highly educated talents and the external expenditure of R D funds. According to the research results, policy suggestions are put forward from the perspective of the cultivation and development of patent intensive industry.