Abstract:Science and technology service industry is one of the important industries in modern productive service industry.Under the background of "Internet plus", science and technology service industry has become one of the important industries that promote the coordinated development of Beijing-Tianjin-Hebei, and promotes economic transformation and upgrading.Taking the development of science and technology service industry in Beijing-Tianjin-Hebei as an example, this paper analyzes the current development status and existing problems of science and technology service industry in Beijing-Tianjin-Hebei as well as explores the ways for the development of science and technology service industry in Beijing- Tianjin-Hebei to promote economic transformation and upgrading under the background of "Internet +", so as to provide reference for the development of science and technology service industry and economic transformation and upgrading.