According to the First Financial News, on July 25th, at the "Open Innovation and Ecology – 2019FinTech Summit Forum", Wei Gejun, president of the People's Bank of China Xi'an Branch, said that at the meso level, it is necessary to solve some pain problems in the policy operation. . For example, the financial service problems of private enterprises involve to some extent the use of blockchain and big data technologies to establish a certain information platform to solve the problem of information asymmetry. Although it is a regional issue, it is difficult to solve it by a single micro-subject. Therefore, the sharing and application of financial data is a very important part of the development of financial technology.