A mobile terminal with a guardianship function, includes: a first module, configured for collecting data related to use of the mobile terminal; a second module, configured for determining the use of the mobile terminal by analyzing the data collected by the first module; and a third module, configured for sending a short message informing the use of the mobile terminal determined by the second module. A method for performing the guardianship function at a mobile terminal is also provided. By using the mobile terminal and the method, a guardian is able to timely learn a ward's use of the mobile terminal, thus effectively monitoring the ward.