The improvement of public cultural service system is an important guarantee to enhance the degree of social civilization. This report systematically combs the current situation and problems of public cultural services in Beijing in 2020，and puts forward relevant countermeasures and suggestions. Specifically include：first，accelerate the construction of modern public cultural service system，improve the quality of public cultural supply. Second，improve the promotion mechanism of cultural projects and expand the forms of cultural activities. The third is to improve the ability of emergency service and build a multi-dimensional cultural service format.