In is paper, author explors the advancing course of Mainland China's curriculum reform in the second half of the 20^(th) century, and analyses the status quo, and prospects for the first half of the 21^(st) century. Firstly, the course was divided into five stages: rebuilt, Sovietized, revolutionized, renewed and reformed. Secondly, the actual curriculum was much more rigid and conservative, and so people began to receive the progressive idea of the child-centred curriculum. Finally, the author points out that Mainland China's curriculum reform in the first half of the 21^(st) century would consist of several actions: gestating new views of great curriculum, and establishing new mechanism of the curriculum reform, and clarifying the educational aims, and developing the system of the objectives, and renovating the contents or learning experiences, and developing the system of curriculum evaluation, and constructing the pluralistic curriculum system.