A method and an apparatus for clearing a malicious power-consuming application, and a user terminal are provided. An application whose background working power consumption is not less than a power consumption threshold is determined as a malicious power-consuming application; and a wakelock occupying time of each application if a screen is turned off is periodically calculated, and if a background working application's wakelock occupying time is not less than a set time threshold, the application is determined as a malicious power-consuming application.