The factors that influence the hydrogen production over CuBi2O4 photoelectrocatalytic hydrolysis are introduced,including defect state,photogenerated carrier recombination and chemistry stability.Present strategies for improving the photoconversion efficiency of CuBi2O4 photocatalyst in the field of photocatalytic hydrolysis hydrogen production are summarized.The problems in the modification of CuBi2O4 photocatalyst are described,and some suggestions are given for future development of CuBi2O4 photocatalyst.