The invention discloses a multi-hierarchy relationship information management system based on cloud computing. The multi-hierarchy relationship information management system based on the cloud computing comprises a cloud service platform and a client. The cloud service platform comprises a physical resource layer used for storing information data of all organization hierarchy units, a processing platform layer used for processing the information data on the physical resource layer, a displaying application layer used for displaying the information data and a management layer used for managing and maintaining the physical resource layer, the processing platform layer and the displaying application layer. According to the multi-hierarchy relationship information management system based on the cloud computing, a mode of one longitudinal layer and three transverse layers is provided and used for supporting the whole multi-hierarchy organization structure, and the whole system is made to meet requirements for 'one base, one platform, and one network' due to the fact that the multi-hierarchy relationship information management system based on the cloud computing is established. In addition, rich cloud computing abilities and a friendly user interface are provided, and the purpose that mass information is obtained from the interior of an organization, applied to the interior of the organization and analyzed by the interior of the organization is achieved. Therefore, safety performance and the information sharing rate of the system are improved, resources are utilized efficiently, and requirements that information is more integrated, supervision is more strict and decision-making is more convenient are met.