This paper introduces the present situation of Sao Tome And Principe in the 2017，and expounds three aspects of politics，economy and relations with China respectively. In the political area，introducing the efforts taken by the Independent Democratic Action Party to consolidate the ruling status，and to evaluate Sao Tome And Principe's future political trend. In the economic field，introducing the difficulties faced by Sao Tome And Principe in the 2017，the government has taken a series of measures to get out of the economic predicament and has achieved positive results. In its relationship with China，The two sides strengthened high-level contacts，signed a number of agreements and are carrying out many major projects