The nano mesoporous titanium dioxide has been found potential applications in fields of photocatalysis,solar cell and so on due to its unique structure and properties.In this paper,the author demonstrated the formation mechanism of mesoporous materials,and reviewed various synthesis techniques of mesoporous titanium dioxide,such as sol-gel method,hydrothermal synthesis,and atmospheric liquid phase.In addition,the removal of template agents for mesoporous titanium dioxide was investigated.Finally,the influence and prospects of doping mesoporous titanium dioxide were also discussed in detail.