This paper highlights global main research progress in the field of the catalysts for the synthesis of PBAT,and analyzes the advantages and shortcomings of various titanium-based catalysts.It also briefly describes the catalytic reaction mechanism of esterification and polycondensation stages in current synthesis of PBAT,and proposes the improvement measures and research directions of the catalysts for the synthesis of PBAT,which suggests that the development of efficient and environmentally friendly catalysts is the mainstream development trend of the biodegradable polyester industry in the future.