In this paper,the instrument and mechanism of PET,radiolabeled compounds for PET studies,and its applications in drug research and its limitat ion were reviewed.

• 本文简要综述了正电子发射断层显像技术的仪器和原理、正电子发射断层显像用放射性标记化合物、在药物研究和开发中的应用及其局限性。