Objective To systematically evaluate the methodological quality of guidelines and expert consensus of community acquired pneumonia（CAP） in China. Methods China National Knowledge Infrastructure（CNKI）

Weipu Chinese journal database（VIP）

Wanfang digital journal full text database（WANFANG DATA）

CBM

the Medical Pulse Guide Network

and the related association websites were retrieved by computer to collect domestically published CAP guidelines and expert consensus. AGREE-China tool was used to evaluate the quality of the included guidelines and expert consensus. Results A total of 9 CAP guidelines and expert consensus were included

4 guidelines for Chinese medicine/consensus

and 5 guidelines for Western medicine/consensus. The average scores of the 9 guides/consensus in areas "scientific/rigorous"

"effectiveness/safety"

"economic"

"availability/feasibility" and "interest conflict" were 40.8%

19.6%

34.8%

70.1% and 68.9% respectively. Three guidelines with higher scores and better overall impressions in all fields were Guidelines for the Diagnosis and Treatment of Acquired Pneumonia in Adults in China（2016 Edition）

Guidelines for the TCM Treatment of Community Acquired Pneumonia（2018 Revision）

and Clinical Practice Guidelines for Common Infectious Diseases Treated by TCM/Combined Antibiotics Community Acquired Pneumonia. Conclusion The methodological quality of domestic CAP guidelines and expert consensus has gradually improved

but further improvements are needed in the fields of effectiveness/safety and economy.