The disclosure provides a method for reducing radiation and a mobile terminal. The method comprises: detecting whether a current operating mode of the mobile terminal is a voice call mode or a data communication mode; and if the current operating mode of the mobile terminal is the voice call mode, transmitting by an AP side a preset first AT command to a modem to control the modem to restore a maximum transmit power for normal operation; if the current operating mode of the mobile terminal is the data communication mode, transmitting by the AP side a preset second AT command to the modem to control the modem to reduce the maximum transmit power.