A method and an apparatus for supporting a self-destruction function in a baseband modem are provided. Aspects of the present disclosure are to address at least the above-mentioned problems and/or disadvantages and to provide at least the advantages described below. Accordingly, an aspect of the present disclosure is to provide a self-destruction method and apparatus in which a self-impossible state is autonomously entered if the baseband modem of a receiving terminal which supports mobile communication is necessary. Another aspect of the present disclosure is to provide a method and apparatus for deleting information stored in memory when a command is received over a mobile communication network in which a baseband modem has been constructed and then entering a self-impossible state so that the terminal is not recovered although it is booted up again.