According to the problems of medical information transmission delaying and time consuming of browsing anamnesis in the hand-writing medical records, the design solution of the electronic medical record based on XML was raised and complemented. By the development platform of Web Services, the clinical information centered by patients was integrated by the support of EMR, including the physical orders, medical technical inspections, nursing care and infectious diseases' reports. And the information query and integration was implemented in the system. By applying the electronic medical record system, supervision on medical records from multi-direction is being substituted for emphasis on terminal quality control only in hand-writing medical records.