苏联演变和解体的根本性原因是苏共“砍倒”了马克思主义旗帜 ,没有从政治上正确认识和处理一些重大问题 ,严重脱离人民群众 ,并在解决自身问题上步入了岐途。党中央吸取东欧剧变、尤其是苏联演变和解体的深刻教训 ,倡导并开展“三讲”教育 ,是新形势下坚定对马克思主义的信仰和对社会主义的信念 ,强化政治意识和提高讲政治的具体能力 ,坚持党的宗旨和密切党群、干群关系 ,依靠自身力量和科学方法解决党内矛盾和问题、加强自身建设的一个创造性探索 The fundamental reason for the evolution and dissolution of the Soviet Union was that the CPSU “cut down” the banner of Marxism. It failed to correctly understand and deal with some major issues politically, severely separated itself from the people and went astray in solving its own problems. Drawing on the profound lessons of the drastic changes in Eastern Europe, especially the Soviet Union’s evolution and dissolution, the Central Party Committee advocates and carries out the “three stresses” education. It is a firm belief in Marxism and socialism under the new situation. It is imperative to strengthen political awareness and raise political awareness Specific Creative Capabilities, Insisting on the Party’s Tenet, and Closer Relations between the Party and the Masses and between the Masses and Masses, Depending on Its Own Power and Scientific Methods to Solve the Contradictions and Problems within the Party and to Strengthen Self-construction