Abstract: It is a new pathway to produce hydrogen via photocatalytic cracking of water.Many researchers are in the study of this project.This paper examines the domestic and overseas research status of photocatalytic hydrogen production device.It summarizes the composition of semiconductor multiphase photocatalytic hydrogen production equipment, introduces the photocatalytic of new reaction device, expounds and evaluates the characteristics of all kinds of equipment and its shortcomings.Finally, we put forward some opinions on the focus of the future work.