Abstract: Fostering the positive social mentality has been written in the paper of the national social governance,which deepens the social construction,and also the main social problems and the core of the social management innovation are grasped. In The International Development of China Sun Yat-sen asserted the psychological construction,and Liang Qichao,Cai Yuanpei,also put the social psychology as an important drive for society. In view of the current social mentality,implement of the social psychological construction will improve our country's soft power and the great practice of Chinese dream will play an important role in the rejuvenation of the Chinese nation. This paper also proposes the main path and the content of the social psychological construction.