On May 26, 2017, the General Office of the Ministry of Science and Technology issued the "Thirteenth Five-Year" Special Plan for Scientific and Technological Innovation of Medical Devices [Guokebanshe (2017) No. 44], which proposed: "In the field of in vitro diagnostics, with the direction of "integration, high Throughput, on-site, high precision", focusing on difficult issues such as automatic clinical examination, rapid and accurate detection, intelligent pathological diagnosis, and early diagnosis of diseases, focusing on strengthening basic research and new types of biochemistry and biophysics in life activities at different levels The development and application of diagnostic targets, accelerate the development of cutting-edge technologies such as microfluidic chips, single-molecule sequencing, liquid biopsy, liquid-phase chips, and intelligent biosensing. In order to better meet the application needs of different levels of medical institutions, such as early, fast, convenient and accurate diagnosis, etc.