The invention relates to a non-contact type security check system and method. The system comprises a laser source (1), an optical collecting component, an optical spectrum analyzer (8) and a shielding device. The laser source (1) is used for making detecting light rays (11) penetrate through a container (3) or a package and projecting a detected object (4) contained inside the container (3) or the package; the optical collecting component is used for collecting exciting light, on the detected object (4), of the light rays (11); the optical spectrum analyzer (8) is used for analyzing Raman spectrum features of the exciting light to determine the features of the detected object (4); the shielding device is used for stopping at least one part of the exciting light, on the container (3) or the package, of the detecting light rays (11) from entering the sensing region of the optical collecting component. By the utilization of the non-contact type security check system and method, the possibility that the exciting light, on the container or the package, of the detecting light rays enters a collecting optical path is effectively lowered, interference on spectrum signals of the detected object is remarkably reduced, there is no requirement that the detecting light rays are away from the collecting optical path, and then the requirement for setting of positions of the detecting light rays and the collecting optical path is lowered.