▎ 摘　　要

NOVELTY - Preparing high-performance three dimensional printed piezoelectric piece, comprises (i) preparing polymer and ceramic materials into polymer/ceramic piezoelectric composite powder; (ii) coating the surface of the polymer/ceramic piezoelectric composite powder with a wave-absorbing material, and performing selective laser sintering to obtain piezoelectric product; and (iii) subjecting the piezoelectric product to microwave treatment. USE - The method is useful for preparing high-performance three dimensional printed piezoelectric piece. ADVANTAGE - The piezoelectric piece can effectively solve the problems of low efficiency, high energy consumption and low mechanical properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for high-performance three dimensional printed piezoelectric piece, prepared as mentioned above.