The invention relates to the technical field of SaaS platform operation, and discloses a device for supporting on-demand customization and operation of an SaaS application process, which comprises a tenant
perception agent module, a
process description module, a process
data mapping module, an execution manager and an original
workflow engine, the execution manager comprises a
process deployment component, a process creation component and a
process operation component. According to the device supporting on-demand customization and operation of the SaaS application process, in the SaaS mode,
software serves as a service to be provided for a user by a
software service operator, essential regression of the
software is achieved, the user only uses a service mechanism which is not owned, the cost and risk problems of an enterprise on an
informatization road are solved, and the development of the enterprise is facilitated. According to the method, access and driving of the process variables of the
business process are achieved, mapping and isolation of the multi-tenant process are achieved, multiple tenants are supported to share one
process engine, the tenant processes do not interfere with one another, software resources are fully utilized, and meanwhile the deployment cost and the maintenance cost of an enterprise are reduced.