In the context of the new era，Pishu has entered a stage of high-quality development time. In 2020，Pishu catalogue management，and the entry and exit mechanism of Pishu became stricter. In order to promote the high-quality development of the back end management of Pishu，publishers have continuously improved the evaluation index system and evaluation process of the content quality of Pishu. In 2020，there are a total of 416 types Pishu，with the most local development Pishu and the least cultural media Pishu. From the evaluation results，the average original score of the content quality of each category of papers is above 80 points，and the average original score of all books in the 2020 edition is 81.8 points. Relatively speaking，the economic，social，political and legal papers have higher scores. Compared with 2019，in the objective indicators，due to the adjustment of the scoring standards，the empirical and timeliness of most categories in 2020 are lower than 2019；the normative and content repetition rate are better than 2019，in terms of the completeness of the requirements Compared with the standardization and the originality of the report，there are more improvements. Among the subjective indicators，the value，significance，and scientificity of most types of research topics are lower than 2019，so research methods，countermeasures and suggestions need to be strengthened；cutting-edge，innovativeness is higher than 2019，research on the theme of Pishu depth and innovation performance is better. For paper reports that use the same indicator system or social survey every year，attention should be paid to the originality of Pishu；for paper reports on similar topics，attention should be paid to the publication and influence of Pishu；paper reports from the same research and innovation unit should be strengthen unified management. To improve the content quality of Pishu，suggestions are as follows：first，try to obtain full marks in the empirical，normative，timeliness，and content repetition rate objective indicators；second，innovate the use of big data and other research methods to improve the data processing capabilities of the report. Innovative；third，highlight the awareness of issues，and enhance the analytical depth and political nature of research reports.