Dye-sensitized solar cells (DSSC) are one of the ways to effectively utilize solar energy because of their characteristics of simple preparation process and low cost. The composition, structure and working principle of dye-sensitized solar cells are briefly introduced. The TiO₂ photoanode material, as an important part of dye-sensitized solar cells, is introduced in detail. The current research results of TiO₂ electrode are summarized, and the influence of TiO₂ photoanode material modification on DSSC performance is analyzed. At the same time, the future development direction of TiO₂ photoanode is prospected.