Many domestic manufacturers are doing this, such as Donghua Software and Jinshan Weining. There are also many manufacturers in Europe and America, and their technologies are relatively more mature. For example, there is a company in Britain called TPP. Their main system, Systemone, is a trinity of medical administration, medical technology and finance centered on electronic medical records, which comprehensively covers and supports the various businesses and daily management of the hospital. The software started very early and has been used for more than 20 years, which proves that the system is very stable and the underlying architecture is relatively perfect and sustainable.