There are many security-related research, and previous studies have around in policy and regulatory information, information viewpoint rarely discussed in people's behavior or attitude for the intended use of impact. In this study expect to through the amended Technology Continuance Theory to explain and predict information systems acceptance and continued use behavior, and to explore the psychological physicians through the added perceived risk and trust, in order to achieve the correct assessment of the impact of key factors. The results show that physician's perceived risk would negatively affect the physician's trust, and through the trust directly or indirectly affect the continued use of the physician's intent.