Project-Based Learning (PBL) is a pedagogy based on problem solving and inquiry, through which the group cooperate to complete the inquiry task, thus realizing the education objectives. At present, this teaching method is more and more used in middle schools. The effective application of PBL in senior high school geography class not only enables students to acquire the subject knowledge more efficiently, but also helps to train students’ critical thinking skills and enhance their core competency. However, PBL also sets higher requirements for teachers in that more targeted and effective classroom design are needed. In the future, PBL will be more widely used at the stage of primary education. Therefore, we should pay attention to the integration of the discipline and the pedagogy to avoid possible problems.