In this chapter, a model of secured mobile system is described for image distribution in hospitals. In this system, it consists of mobile application server and mobile application client. The mobile application server communicates with hospital PACS and the client is embedded in the end-user’s smart phone. The IMEI code of the mobile phone is sent by SMS to designated user to ensure security. The system can manage DICOM images with image processing capability with reasonable image quality. The mobile PACS demonstrates a model of using smart phone to improve the efficiency of health care services by speedy delivery of image information.