At present the application of the system of most enterprises is set up by themselves, which can only be used in the enterprise interior, cannot be effectively used for information sharing, and late upfront costs and maintenance costs are high. In order to solve this problem, this paper presents a design method of the information management system based on cloud computing, which make full use of the advantages of cloud computing platform, implement equipment, information and service coordination together so as to make the enterprise to achieve the purpose of cost savings and realize resources sharing. Geared to the needs of the present situation of the medical information service, this paper combined with the use of private and public clouds, adopts the distributed and parallel computing method of medical cloud, establish medical service system of cloud, to build a five dimensions of the system where hospital, pharmacy, pharmaceutical factory, medical insurance, and patients are connected with each other, integrating the original all kinds of information management system independent of each other into a unified platform, promoting the technology of shared services
