Many Beijing museums have taken an active part in the process of applying for the Cultural World Heritage of Beijing central axis. This report mainly introduces the displaying of the historical hierarchy formation of the Beijing central axis by many museums，the in-depth thinking and exploration of the cultural heritage value of the central axis by museums open to the public as core heritage elements，the interpretation of the central axis culture and the support for the application work by museums as non-core heritage elements，and the role and prospect of museums in the work of applying for the Cultural World Heritage of central axis from the perspective of institutional setting. Through the research，this report aims to emphasize that museums have played an irreplaceable role as an important social force in the application for the Cultural World Heritage of Beijing central axis.