The Sao Paulo Forum（FSP）has experienced the course of 22-year development since its establishment. The foundation and growth of FSP have played an important positive role in its rise，development and consolidation of the Latin American Leftists. The Sao Paulo Forum is the most important forum of the Leftist parties and organizations of Latin America and world. The annual meeting of the Sao Paulo Forum is a significant get-together of the Leftist parties from Latin America and world. In 2011 and 2012 the 17th meeting and the 18th meeting of the Sao Paulo Forum took place in Nicaragua and Venezuela respectively.