[Purpose/significance] As for the problems and shortcomings of conference proceedings publishing in China, this paper discusses the strategies of conference proceedings open access publishing (OAP) at Chinese Academy of Sciences (CAS), based on the advanced experience of foreign conference proceedings OAP platforms. [Method/process] The paper first introduced the state of conference proceedings publishing at CAS and presented the feasibilities and obstacles of conference proceedings OAP at CAS. Then, the paper analyzed the requirements of different stakeholders. [Result/conclusion] This paper puts forward some suggestions and measures on conference proceedings OAP at CAS.