东欧国家和苏联在剧变和解体前,其政党制度的性质是社会主义的,但各国政党体制的形式却不尽相同。苏、罗、匈、阿等国实行的是无产阶级的“一党制”,保、波、捷、民德等国实行的是无产阶级政党处于领导地位的一种“多党并存制”(它与西方式的多党制有根本性的区别,与我国的“多党合作制”虽同属社会主义性质,但也有差别,为 Before the drastic changes and dissolution of the Eastern European countries and the Soviet Union, the nature of their political party system was socialism, but the forms of the political party system in various countries varied. The implementation of the “one-party system” of the proletariat by the Soviet, Romanian, Hungarian and Arab countries is a “multi-party coexistence system” in which the proletarian political parties are in a leading position. It is fundamentally different from the Western multi-party system. Although it belongs to the socialist nature with China’s “multi-party cooperation system,” there are differences between