五卅运动是中共领导的以工人阶级为主力军中国人民反对帝国主义的革命运动．这场伟大的爱国运动，影响全国，促进了全国人民政治觉悟的提高，大大地推动民族民主革命运动的高涨，它是1926－1927年大革命风暴的前奏．本文主要阐述在这次运动中，中共和上海民族资产阶级的关系．1 The May 30 Movement is a revolutionary movement led by the CPC to use the working class as its main force and the Chinese people to oppose imperialism. This great patriotic movement has affected the whole country, promoted the improvement of the political consciousness of the people across the country and greatly promoted the rise of the national-democratic revolutionary movement. It was the prelude to the storm of the Great Revolution in 1926-1927. This article mainly expounds the relations between the CPC and the national bourgeoisie in Shanghai during this campaign. 1