江泽民在“5·31”讲话中强调指出:“要根据解放和发展生产力的要求,进一步深化对公有制为主体,多种所有制经济共同发展这一基本经济制度含义的认识,在实践中不断完善这一制度。”社会主义是以公有制为基础的社会,坚持社会主义必须坚持生产资料公有制。市场经济在客观上要求实行利益主体的多元化,从而要求在所有制上实行多元结构,以适应多层次生产力和多元利益主体的要求。因此,党的十五大报告 Jiang Zemin emphasized in his speech “May 31”: “We must further deepen our understanding of the meaning of the basic economic system of public ownership as the mainstay and the common development of various ownership-based industries in accordance with the requirements of liberating and developing productive forces and constantly improve this in practice A system. ”Socialism is a society based on public ownership. To uphold socialism, we must uphold the principle of public ownership of the means of production. Market economy objectively requires the diversification of the main body of interest, thus requiring the implementation of a pluralistic structure in the ownership system so as to meet the requirements of a multi-level productive forces and diversified interests. Therefore, the report of the party’s 15th National Congress