The utility model discloses a law enforcement data acquisition device, including box, information acquisition groove, collector, USB plug and shift knob, be provided with the trick lock between box and the case lid, be provided with text placing bag on the case lid, the data acquisition device is including controlling the panel, the information acquisition trench is in the touching liquid crystalscreen right side, the collector is located information acquisition inslot portion, the USB plug is connected with the collector, shift knob is located the below of USB slot, battery and charging plugelectric connection, and battery and treater and wireless transmission device electric connection. This law enforcement data acquisition device's data acquisition device and data transmission devicedivide into two whole, after the intact data of data acquisition device collection are used in the law enforcement, take place for the workstation passing through the data centralization data transmission device, just so need not to go on a lot of data transmission and operate, and be easy and simple to handle, has reduced law enfrocement official's working strength.