The socialist economy with Chinese characteristics is the research object and real basis of socialist political economics with Chinese characteristics and its forming experienced such three stages as socialism reform of new China, plan economy with Chinese characteristics and reform and openingup. The founding of new China symbolized the decisive victory of Chinese newdemocracy revolution. After overall recovering national economy, new China at once transformed newdemocracy economy into socialist economy, and conducted socialism reform with Chinese characteristics. Although the plan economy with Chinese characteristics had certain theoretical guidance, it still groped forward, and “struggling for every morning and evening” became the portraiture of Chinese socialism construction. With the time processing, traditional system became more and more rigid, the improvement and mitigation of the relation between China and the United States and between China and Soviet Union made China have historic opportunity. The Third Plenary Session of the Eleventh Conference of the Party determined reform and openingup policy. Till 2010, Chinese total GDP took the second place of the world, after that Chinese economy enters into new normalcy, which is the symbol that Chinese economy changes in essence and climbs a step.