A multi-spectral calibration device, including a base plate, a rotating plate, a support device, an electric cylinder device, a housing, a front window device, a first reflection device, a second reflection device, and a closing device. The base plate is provided with a first groove, a second A positioning plate, a first spring, a first support block, a second support block, a first bracket, and a first grip ring are arranged on the rotating plate, and the support device includes a first support rod, a second bracket, a second spring, a first A crossbar, a third support, and a third spring, the electric cylinder device includes an electric cylinder, a fourth support, a first fixed rod, a second crossbar, a second support rod, a third crossbar, a positioning rod, a push rod, an elastic The housing is provided with a first fixed block, a second fixed block, and a fourth spring. The front window device includes a front window, a fixed plate, a motor, an output shaft, a positioning frame and a pull wire, and the first reflection device includes a first reflector. , the second fixed rod, the sixth spring. The invention can adjust its angle according to needs, so as to meet the needs of different environments and expand its application range.