The present document provides a logged measurement reconfiguration test method, comprising: when a terminal already has a logged measurement configuration, a network side sending a new logged measurement configuration to the terminal; the network side detecting whether there is a measurement log for the logged measurement configuration that is already had by the terminal or not, and if yes, the test fails; otherwise the network side detecting whether there is a measurement log for the logged measurement configuration that is already had by the terminal or not after the terminal enters into an idle state and stays there for a specified period of time. The present document further provides a network side.