Deng Xiaoping's Contribution to the Theory of Socialist Principal Contradiction and Fundamental Task

In the development history of scientific socialism, Marx and Engels put forwards some scientific ideas and important methodology on socialist principal contradiction and fundamental task. Combining with the practice of socialist revolution and building, Mao Zedong discussed the theory of socialist principal contradiction and fundamental task firstly and systematically,but he paid too much attention to class struggle. Starting from the reality of primary stage of socialism in China, summing up the experiences and lessons of socialist enterprise, and integrating with new situation and problems risinge in socialist building, Deng xiaoping developed the theory of socialist principal contradiction and fundamental task.