The present application relates to a method of assisting analysis of a radiation image and a system using the same, which belongs to the field of image processing. A method of assisting analysis of a radiation image includes: acquiring a radiation image to be analyzed; acquiring customs declaration information of the radiation image to be analyzed; acquiring a feature-matched historical image from a typical image library according to the radiation image to be analyzed; and/or acquiring a standard image and/or detailed customs declaration information of the standard image according to the customs declaration information of the radiation image to be analyzed. The method of assisting analysis of a radiation image and the system using the same may assist an image inspection person to judge whether or not the current radiation image carries violation items, whether or not a concealing or missing report occurs and so on.