Application services running processing systems based on multi-machine hot backup

The present invention provides a multi-application service is running hot backup processing system based on the multi-system hot backup based on the communication control and switching between a plurality of application execution unit and a plurality of service database means by run online strategy, online running applications running unit does not need to be directly involved hot backup data processing, application processing performance provide external services is guaranteed, but only when the system is running in each service to an online database unit have acquired running applications active and standby units running state to trigger an application running emergency switching unit, greatly reduces the chance of erroneous switching operation, and the application execution unit, the service database means capable of independent primary spare switching, such that the main and backup switch over more smooth and fast, good fluency and enhance the stability of multi-service switching applications run hot backup system.