Titanium and titanium alloys are excellent candidates in national economics and defense industry.Due to the disadvantages of titanium and its alloys,some surface treatments are adopted to improve the application characteristics.The advanced and effective methods of surface treatment on titanium and its alloys were reviewed and extensively discussed in applications,such as chemical treatment,anodic oxidation treatment,electroless plating and electrodeposition,micro-arc oxidation,electrophoretic deposition,na...