Abstract: This paper reviews the development of remote sensing satellites as an important part of man-made Earth satellites, including related technologies and industrial applications. Based on the development trend of the future technology and the new demands in the new era in China, the development path of satellite remote sensing system in China is discussed, and some noteworthy technical directions are put forward in the lines of high-end satellite and commercial satellite, respectively, in view of the system planning of satellites, the deployment of remote sensing payloads, and the expansion of satellite application fields.