Compared to foreign manufacturers PACS image processing capabilities, most contain three-dimensional post-processing capabilities, domestic manufacturers here are short boards, RIS process system, domestic manufacturers have a clear advantage over foreign manufacturers, localization, personalization capabilities, foreign manufacturers basically will not do personalized demand services. It is recommended to choose vendors according to the level and actual needs of hospitals. Foreign mainstream vendors: Siemens, GE, Rekall, domestic mainstream vendors: Weining, Xinnet, Donghua, Bluebonnet, Infidel. Individuals do not recommend choosing HIS vendors to do PACS, after all, there are specialties, business focus is not in this, because of their own industry practitioners, do not do specific vendors recommended.