Integrated PET/MR is one of cutting-edge technologies in functional and molecular imaging.A review of the current development status of integrated PET/MR products can provide inspiration and promote the development of related fields.This study introduced the technical characteristics and research and development difficulties of integrated PET/MR products from both hardware and software aspects,summarized the publication of English and Chinese papers related to the clinical application of PET/MR products from 2008 to 2022,analysed the differences and current status of clinical application of integrated PET/MR products at home and abroad,and pointed out the development status and direction of integrated PET/MR products in China.Finally,the development of integrated PET/MR products was discussed in terms of technology,clinical application prospects,and market strategies.