２０世纪西欧共产党在为实践共产党人的理论、理想和纲领的斗争实践中，有过辉煌的成就，有力地推动了西欧的发展和国际共产主义运动的发展，但也有许多失误和教训。鉴此，在２０世纪后半期，特别是苏东剧变后，西欧共产党适应新的社会环境和形势任务发展的要求，对党的理论和? In the struggle practice of practicing the theories, ideals and programs of the Communists in the 20th century, the European Communists have had brilliant achievements and effectively promoted the development of Western Europe and the development of the international communist movement. However, they also made many mistakes and lessons. In view of this, in the latter half of the 20th century, especially after the drastic changes in the Soviet Union and the East China Sea, the communists in Western Europe have adapted to the requirements of the new social environment and the development of the situation and tasks, and have made theoretical and theoretical contributions to the party.