The present invention provides a router system monitoring method and device. The method comprises: establishing the connection according to a setting time interval and a router, and obtaining test parameters and a progress list from the router; determining whether the router system is abnormal or not according to the test parameters obtained for many times; and when determining that the router system is abnormal, searching the abnormal progress according to the progress list. According to the router system monitoring scheme, the users do not need to restart the router for providing service for users caused by abnormal work of the router.