The invention provides an automobile body part query system and method, and the system comprises an input unit which is used for receiving to-be-queried code information inputted by a user, wherein the code information is a combination of an annular structure code, a load path code, a correlation code and an automobile type code; a database unit used for pre-storing data information of automobilebody parts with the specified part number, wherein the part number is composed of an annular structure code, a load path code, a relevance code and an automobile model code; a retrieval unit used forquerying data information of the automobile body parts corresponding to the part number containing the input coded information in the database unit according to the coded information; and a display unit used for displaying, checking or reading the queried data information of the automobile body parts. The invention can achieve quick and accurate querying of target data, remarkably improves complete vehicle research and development efficiency of a main engine plant, and reduces research and development cost.