This paper makes comment on the hod issues in the past dacade pertaining to theoretical system of socialism with Chinese characteristics，the coincidence of China's dream and Mao Zedong's thoughts，study of Mao Zedong and Cultural Revolution，study of Mao Zedong's spirit，study of Mao Zedong's subjectivity thoughts，study of the third cooperation between the Communist Party of China and Kuomingtang and Mao Zedong doctrine. It is believed that the previous study of Mao Zedong is based on realistic,idealistic and historical reality and gels a consensus on the spirit of Mao Zedong. Although substantive results have been achieved since lash decade，further work should be done on the study of the experience and thoughts of Mao Zedong.