1. A system for controlling an image collecting device to locate a target, comprising: an acoustic sound source locating unit, configured to locate a plurality of acoustic sound source positions based on a plurality of received acoustical signals; a voice recognition unit, configured to compare the received acoustical signals with a plurality of stored acoustical signals to obtain a plurality of voice recognition results; a system configuration unit, configured to configure system parameters according to different application scenarios; an application layer strategy unit, configured to decide an expected Pan-Tilt-Zoom (PTZ) position of the image collecting device based on the acoustic sound source positions, the voice recognition results, and the system parameters; and an image collection control unit, configured to compare the expected PTZ position of the image collecting device with a current PTZ position of the image collecting device and to control the image collecting device based on a comparison result.