Abstract: Data circulation is the key to release the value of data. Privacy preserving computing technology provides a solution for data circulation. This paper summarizes the technical principles of privacy preserving computing, lists the main application scenarios of privacy preserving computing, and analyzes the development of privacy preserving computing industry all around the world. On this basis, this paper summarizes the problems faced by the development, and analyzes the future development trend of privacy preserving computing from the perspective of technology, industry and application.

Key words: privacy preserving computing, development status, development trend