Objective To provide evidence for the construction of municipal public health system in Chengdu based on the existing problems. Method Using the priniple and method of evidence-based medicine, epicemiology and health care management, and the data searching, extraction and envaluation to analyse the current situation and problems of Chengdu’s public health system. also referring such research results from home and abroad with the hope of resolving such problems and make suggestions as to how to deal with this. Results There is a few literatures on the municipal public health system. The insufficient financial support, hardware and software condition deteriorated the serious situation of public health in Chengdu. Conclusions It is suggested that we should establish a managing committee of the public health system of Chengdu, make comprehensive plan to set up 6 professional centers, fund the research on main diseases and key techniques, increase financial appropriations by improving financing mechanism and establish a center for education and staff training.