The nuclear properties of zirconium and zirconium alloys are briefly described.The preparation methods of sponge zirconium are indicated.The current situation of zirconium alloys process technology in smelting,plastic working and welding is introduced.The corrosion resisting property and hydrogen absorption property of zirconium alloys are described in detail.It is pointed that the study of hydrogen absorption and corrosion mechanism is a long-term and concerned problem.The development trend of zirconium and zirconium alloys is narrated.