Abstract: As an infectious disease laboratory monitoring practice in China, the Chinese Pathogen Identification Net has gone through three stages of starting, expanding and upgrading since its establishment. Since 2004, it has developed into a relatively complete laboratory monitoring network for bacterial infectious diseases through the upgrading of pathogen identification and character analysis technologies, the development and improvement of the monitoring information system, and the gradual expansion of the coverage and level of network laboratory members, which has played an important role in the monitoring, early warning and epidemic situation disposal of bacterial infectious diseases in China.