The Communist Party's Declaration clearly states that class struggle is an indispensable and objective trend of the class society and that it (class struggle) is associated with certain historical periods of social development. Therefore, the Communist Party's Declaration is the basis of ideology and guideline for the international communist movement and workers. To see the correctness of the Communist Party's Declaration, the article addresses the theoretical value and practical significance of the current class struggle in order to realize the goal of rich people, strong countries, democracy, fair and civilization.