The utility model relates to an automotive keyless entering system. A power module of a base station thereof is electrically connected with a singlechip control module which is respectively connected with a storage module, a low-frequency module and a door lock control member through lines, a three-dimensional antenna simulation front end unit of a key card thereof is respectively connected with a singlechip control unit and a low-frequency unit through lines, the low-frequency module is connected with the low-frequency unit through a radio link; preferably, the high-frequency module of the base station connected with the singlechip control module through a line is connected with a high-frequency unit of an IMMO antenna of the key card through a radio link, and the input module of the base station is connected with the singlechip control module through a line. The utility model has the functions of passively entering an automobile and actively entering the automobile, is very convenient, has simple operation, reliable performances, theft protection and alarming function of an engine, and greatly improves safety.