A baggage scanner is consisting of a conveyor and screen which is able to detect a range of sophisticated threats in the baggage of passengers. Usually, the x ray baggage scanner is used in the airport and railway station. Also, at underground station, we can also see the security inspection equipment. it can preciously detect the potential dangers like explosives, restricted knives or things and many other objects which are likely harmful to people. Certainly, in addition to good precision, x ray baggage scanner also has stable working performance. X ray baggage scanner can display horizontal and vertical images by two independent generators, and can quickly detect organic, inorganic, mixtures or light metals according to the effective atomic number of detected objects.