Abstract: This paper proposed the medical image streaming media transmission system based on cloud computing,which integrates medical devices and PACS．The system makes use of scanning to transform images from different me-dical into digital images which are submitted to the remote severs real time in the form of streaming media．In the virtual storage platform of cloud database,the paper adopted advanced streaming media technology to solve the problems of sharing medical resource and storing continuously high resolution images．The experimental results show that compared with the transmission rates of traditional servers using FTP in LAN((Local Area Network),TANet(Taiwan Academic Network) and the home network,the transmission rate of the medical image streaming media transmission system based on cloud computing rises respectively 45.6％,49.4％,8.1%.

Key words: Cloud computing,Streaming media,PACS,DICOM,Virtualization,Xen server