The Rainbow Model of Integrated Care(RMIC)is a new conceptual framework that integrates primary care principles,integrated care characteristics,and a triple aim framework based on the Rainbow Model,which helps researchers better understand the concept of integrated care from a primary care perspective and thus scientifically conduct integrated care practice programs.This paper reviews the emergence and development of RMIC,its conceptual framework,and its application in integrated care,with the aim of providing a guiding basis for improving the quality of integrated care and positively transforming the health care delivery model in China.