Abstract: Advances of chromium based catalysts for the preparation of 1-hexene from ethylene are reviewed. Structure，selectivity for 1-hexene and catalytic activity of the catalysts consisting of pyrrole ligand，maleiimide ligand，cyclopentadienyl ligand，boratabenzenyl ligand，aryloxide ligand，[O] ligand，[N] ligand，[P] ligand，[P，N] ligand，[S，N] ligand are introduced. Prospects for the development of catalysts for 1-hexene is also proposed.

摘要： 综述了吡咯催化体系、环戊二烯催化体系、马来酰亚胺催化体系、苯次甲基硼催化体系、芳氧基催化体系、氧杂原子供体催化体系、氮杂原子供体催化体系、磷杂原子供体催化体系和硫氮杂原子供体催化体系等铬(III)系催化剂的结构特点、催化剂活性以及1-己烯选择性，并对1-己烯催化剂的发展进行了展望。