The invention provides security inspection equipment and a control method thereof. The security inspection equipment comprises a body fixed in a field and an electromagnetic imaging device mounted onthe body, wherein the electromagnetic imaging device comprises a two-dimensional multi-transmitting and multi-receiving array panel, a signal processing device and a display device; the two-dimensional multi-transmitting and multi-receiving array panel comprises at least one two-dimensional multi-transmitting and multi-receiving sub-array and a control circuit; each two-dimensional multi-transmitting and multi-receiving sub-array comprises a plurality of transmitting antennas and a plurality of receiving antennas; the transmitting antennas and the receiving antennas are arranged in such a waythat equivalent phase centers are arranged into a two-dimensional array; the signal processing device is used for reconstructing an image of an inspected object according to received echo signals; andthe display device is used for displaying the reconstructed image of the inspected object.