The present invention discloses a multi-terminal webpage control system. The system comprises a webpage operation module, a first background control module, a second background control module, a third background control module and a database module. The webpage operation module comprises information display, user login, page arrangement and traffic management; the first background control module comprises cache cleaning, data transceiving, page control, and multi-terminal connection; the second background control module comprises multi-level control, a main control panel, a billing module and a statistics module; the third background control module comprises a data receiving and connection port; and the database module comprises a data backup and isolation module. According to the multi-terminal webpage control system disclosed by the present invention, multiple background control modules are used to control the webpage, the limitation of the webpage cache to the control module is effectively prevented, the occurrence of webpage errors is reduced, and the system is easy to use and has high control efficiency.