The invention provides a radiation detection device. The radiation detection device comprises a bracket, a hand detection unit, a foot detection unit, an industrial personal computer and a power supply, wherein the bracket is provided with a top and a bottom opposite to the top; the hand detection unit is arranged at the top of the bracket and comprises two groups of hand detectors; the two groupsof hand detectors are respectively arranged on two opposite sides of the top; each group of hand detectors respectively comprises two detectors; a detection gap is arranged between the two detectorsin each group of hand detectors; the foot detection unit is arranged at the bottom of the bracket and comprises two foot detectors; the industrial personal computer is connected with each of the detectors and the foot detectors to process radiation detection signals received by the detectors and the foot detectors; and the power supply is connected with each of the hand detection unit, the foot detection unit and the industrial personal computer. The radiation detection device is capable of greatly shortening the radiation detection time length and is simple to operate.