The invention relates to a method and device for searching information stored in a mobile terminal and the mobile terminal. The method comprises the steps of receiving an instruction which is generated by carrying out first operation in a first preset area of the mobile terminal and is used for starting a voice search function; starting the voice search function based on the instruction for starting the voice search function; receiving a voice search instruction after the voice search function is started; and searching the information consistent with the voice search instruction in the mobile terminal. Through application of the technical scheme, under the condition of not pausing a call or not quitting a call interface, the information wanted to be searched is searched through voice, and the information stored in the mobile terminal can be searched conveniently and rapidly.