With the rapid development of aerospace, petrochemical and other fields and the implementation of sustainable development strategies, the role of high-temperature lead-free piezoelectric materials is becoming more and more important. This article summarizes the research progress of lead-free piezoelectric materials with high Curie temperature points, mainly including perovskite BiFeO3-based and BiAlO3-based ceramics, bismuth layered ceramics, perovskite layered structured ceramics, LiNbO3, langasite (LGS) and rare earth calcium oxyborate (ReCOB) single crystals. Finally, the problems existing in the high-temperature lead-free piezoelectric materials are summarized, and the development direction is proposed.