On August 19,2013, General Secretary XI Jin-ping emphasized in his speech that it is an extremely important task for the Party and state to strengthen mainstream ideology construction.While the rapid development of new media brings about opportunities for China's mainstream ideology construction, it generates grave challenges. It has become an urgent task to reinforce China's mainstream ideology construction. Therefore, with the rapid development of new media, new media platform should be made full use of to strengthen the construction of the theoretical position of Marxism, to accelerate the publicity of the mainstream ideology, and to enhance the supervision of new media information so that the construction of the mainstream ideology in China would go on wheels.