Public welfare cultural undertakings include four aspects: first, welfare cultural undertakings that are basically consistent with international standards, such as cultural products and services provided by public libraries, museums, cultural centers, art galleries and science and technology museums; Second, cultural products and services needed to spread and carry forward socialist ideological values, such as memorial halls, showrooms and patriotic education bases that reflect the history of China people's resistance to foreign aggression; Third, in order to adapt to the specific national conditions of China and enrich the amateur cultural life of the broad masses of the people, we need a variety of grassroots culture and mass cultural activities; Fourth, there are some high-level and high-grade elegant cultures, mainly those that lack commercial competitiveness in the cultural market and have excellent traditional performing arts.