Information acquisition starting method, information acquisition starting device and mobile terminal

An embodiment of the invention relates to the technical field of electronics and provides an information acquisition starting method, an information acquisition starting device and a mobile terminal which are capable of recording voice information and image information of the current environment timely. The information acquisition starting method includes: acquiring acceleration of the mobile terminal in real time, and automatically starting a voice and image recording function of the mobile terminal when the acceleration is larger than a preset valve. The information acquisition starting method and the information acquisition starting device are mainly used for starting the voice and image recording function of the mobile terminal automatically.