In 2020，novel coronavirus pneumonia affected the crowd and restricted the crowd. The disruption of the original publishing rhythm and publishing rhythm of Pishu，and had a great impact on the traditional transmission path of the Pishu. Therefore，in the construction of communication power，Pishu needs to expand its publicity and distribution from the internal and external dimensions on the traditional basis，so as to create a new communication system to adapt to the change of the current media ecological environment and the needs of different types of readers. In the future，the PISHU should also improve the depth，breadth and accuracy of communication，properly manage the “internal customers” and “external customers”，continuously enhance the communication ability and level of think tank achievements，and help to build the discourse power of new-type think tanks with Chinese characteristics.