Research on Application of Big Data Technology in Cost Control of Medical Insurance For China

With the increasing aging of the population, medical insurance cost control has become a worldwide problem. In order to control the medical insurance fee, since 2009, China's medical insurance payment system has changed from the post payment system mainly based on projects to the prepayment system based on total amount control, but not only failed to control the growth of medical insurance expenditure, but also resulted in the phenomenon that the insured's right to medical treatment has been damaged. Using big data technology and other information-based means to fine manage medical insurance expenditure has become an urgent matter. The paper is divided into four parts. The first part introduces the characteristics of big data and the concept of big data technology; the second part, under the background of the reform of China's medical insurance payment system, analyzes the necessity and possibility of using big data technology to control medical insurance expenses; the third part, puts forward some measures of using big data technology to control medical insurance expenses; finally, the conclusion is drawn that the use of big data technology can realize the fine management of medical insurance control fee.