党的社会功能是指党在社会客观环境中的功效和作用力。正确地认识党的社会功能，有助于从时空跨度上把握党的作用和历史分量，有助于客观地考察党执政地位的合理性，有助于发挥党的社会功能和自身优势。要完善党的社会功能：一、必须坚持不断创新。二、必须加大法律规范。三、必须走出自我封闭的体系。四、必须塑造和扩大党的形象。五、必须强化组织体系。 The social function of the party refers to the effectiveness and force of the party in the social objective environment. Correctly understanding the social functions of the Party helps to grasp the party’s role and historical weight from the perspective of time and space, helps to objectively examine the rationality of the party’s governing position and helps to exert its social functions and its own advantages. To improve the social function of the party: First, we must continue to innovate. Second, we must increase legal norms. Third, we must go out of self-enclosed system. Fourth, we must shape and expand the party’s image. Fifth, we must strengthen the organizational system.