In order to implement the spirit of the Fifth Plenary Session of the 19th CPC Central Committee, accelerate the improvement of the hierarchical diagnosis and treatment system, and further promote the construction of medical consortia, according to the requirements of the guiding opinions on promoting the construction of hierarchical diagnosis and treatment system (GBF [2015] No. 70) and the notice on printing and distributing the management measures for medical consortia (Trial Implementation) (gwyf [2021] No. 13), etc, The National Health Commission decided to set up an expert group to promote the construction of hierarchical diagnosis and treatment and Medical Association, to evaluate and supervise the implementation of the national hierarchical diagnosis and treatment and medical association construction. According to the expert selection conditions, Professor Yu Xihe of the school of public health was selected as the national expert to promote the construction of hierarchical diagnosis and treatment and medical consortium. On June 7, the official website of the state construction, health and Health Commission announced the "list of expert groups for promoting the construction of hierarchical diagnosis and treatment and medical Consortium" and the "administrative measures for promoting the construction of expert groups for hierarchical diagnosis and treatment and medical Consortium". In the management method of expert group, it emphasizes the intellectual support role of expert group, further improves the scientificity of decision-making and the pertinence of policy measures, guides and assists all localities to speed up the completion of hierarchical diagnosis and treatment system during the "14th five year plan" period, and continuously promotes the construction of medical Association.