The intelligent security screening machine adopts single energy detector, is a new security inspection device that uses X-ray to quickly inspect baggage and goods without opening packages. The machine adopts an advanced X-ray image detection system, which integrates semiconductor detectors, digital image processing technology and computer image display technology, to provide users with an efficient, reliable and high-quality image processing system. It can store a number of high-definition images, and deliver reliable recognition and warning of dangerous articles, person-baggage association, image enhancement, network expansion, automatic maintenance and more functions. It also has a simple and user-friendly operation design for convenient and fast user operation.