Abstract: In this article, the crystal structure of perovskite photocatalyst is presented. Its preparation methods，including solid state reaction，sol-gel，chemical solution decomposition (CSD) and co-precipitation are introduced and compared；the research progress of application of perovskite photocatalyst to water splitting into H2，photodegradation of organic dye and VOCs are discussed. Finally，further research work is proposed.

摘要： 介绍了钙钛矿型光催化剂的结构；概括了其制备的主要方法，包括固相反应法、溶胶－凝胶法、化学溶液分解法以及化学共沉淀法；综述了目前国内外应用钙钛矿型光催化剂在光解水制氢、降解有机染料、降解气相有机污染物等方面取得的研究进展。