A millimetre wave three dimensional holographic scan imaging apparatus, comprising: a first millimetre wave transceiver module comprising a first millimetre wave transceiver antenna array for transmitting and receiving a first millimetre wave signal; a second millimetre wave transceiver module comprising a second millimetre wave transceiver antenna array for transmitting and receiving a second millimetre wave signal; a first guide rail device, to which the first millimetre wave transceiver module is connected in slidable form, such that the first millimetre wave transceiver module is moveable along the first guide rail device to perform a first scan on an object to be inspected; a second guide rail device, to which the second millimetre wave transceiver module is connected in slidable form, such that the second millimetre wave transceiver module is moveable along the second guide rail device to perform a second scan on the object to be inspected; and a driver configured to drive the first millimetre wave transceiver module to move along the first guide rail device and/or to drive the second millimetre wave transceiver module to move along the second guide rail device, wherein the first scan performed by the first millimetre wave transceiver module and the second scan performed by the second millimetre wave transceiver module both are plane scans, wherein the millimetre wave three dimensional holographic scan imaging apparatus further comprises: a coupling means configured to allow the first millimetre wave transceiver module and the second millimetre wave transceiver module to move in association with each other, characterized in that the driver is configured to drive the movements of the first millimetre wave transceiver module and the second millimetre wave transceiver module by driving at least one of the coupling means, the first millimetre wave transceiver module and the second millimetre wave transceiver module, wherein the driver comprises a first driver configured to drive the first millimetre wave transceiver module directly, the first millimetre wave transceiver module being connected to the first guide rail device by the first driver, and the driver comprises a second driver configured to drive the second millimetre wave transceiver module directly, the second millimetre wave transceiver module being connected to the second guide rail device by the second driver, and wherein the time at which the first millimetre wave transceiver antenna array transmits millimetre waves, is different from the time at which the second millimetre wave transceiver antenna array transmits millimetre waves, during an entire period of scanning the object to be inspected by both the first millimetre wave transceiver module and the second millimetre wave transceiver module. a first millimetre wave transceiver module comprising a first millimetre wave transceiver antenna array for transmitting and receiving a first millimetre wave signal; a second millimetre wave transceiver module comprising a second millimetre wave transceiver antenna array for transmitting and receiving a second millimetre wave signal; a first guide rail device, to which the first millimetre wave transceiver module is connected in slidable form, such that the first millimetre wave transceiver module is moveable along the first guide rail device to perform a first scan on an object to be inspected; a second guide rail device, to which the second millimetre wave transceiver module is connected in slidable form, such that the second millimetre wave transceiver module is moveable along the second guide rail device to perform a second scan on the object to be inspected; and a driver configured to drive the first millimetre wave transceiver module to move along the first guide rail device and/or to drive the second millimetre wave transceiver module to move along the second guide rail device, wherein the first scan performed by the first millimetre wave transceiver module and the second scan performed by the second millimetre wave transceiver module both are plane scans, wherein the millimetre wave three dimensional holographic scan imaging apparatus further comprises: a coupling means configured to allow the first millimetre wave transceiver module and the second millimetre wave transceiver module to move in association with each other, characterized in that the driver is configured to drive the movements of the first millimetre wave transceiver module and the second millimetre wave transceiver module by driving at least one of the coupling means, the first millimetre wave transceiver module and the second millimetre wave transceiver module, wherein the driver comprises a first driver configured to drive the first millimetre wave transceiver module directly, the first millimetre wave transceiver module being connected to the first guide rail device by the first driver, and the driver comprises a second driver configured to drive the second millimetre wave transceiver module directly, the second millimetre wave transceiver module being connected to the second guide rail device by the second driver, and wherein the time at which the first millimetre wave transceiver antenna array transmits millimetre waves, is different from the time at which the second millimetre wave transceiver antenna array transmits millimetre waves, during an entire period of scanning the object to be inspected by both the first millimetre wave transceiver module and the second millimetre wave transceiver module.