Selective Catalytic Reduction Filter (SCRF) is a promising engine pollutant treatment method. As a post-treatment device with both SCR and DPF functions, it can help reduce the volume and cost of the post-treatment device, or obtain better pollutant treatment effect without reducing the volume. However, the complex reaction system composed of various components in SCRF and the wide operating temperature window make it much more difficult to predict the pollutant treatment effect of system. The research results of SCRF in the following two aspects in recent years were hence comprehensively reviewed. One was the apparent factors affecting DeNO_x efficiency and passive regeneration efficiency, and the other was the microscopic chemical reaction and mass transfer mechanism of SCRF, which was beneficial for researchers to conduct microscopic mechanism and SCRF matching optimization research.