Abstract: Social harmony is the harmonious entity being composed of various harmonious relations.In view of the ruling Party,it is necessary to promote and realize the harmonious relations in six aspects:harmony within the Party,harmony between the Party and the government,harmony between the Party and the masses,harmony among the parties,harmony between the Party and the media,harmony between the Party and the law.Therefore,in leading the construction of harmonious socialist society,the Communist Party of China should unceasingly strengthen the Party’s self-construction,carry out three governance styles,insist on the purpose of exercising state power for the people,improve the ability of working together harmoniously,accept media supervision conscientiously,push forward democracy construction,fulfil the ruling party’s historical task of promoting and realizing the harmony in social relations.