The utility model belongs to the technical field of the car, especially relate to a luggage case device, it is installed in the preceding cabin of motor vehicles, including suitcase body and running gear, the suitcase body with running gear connects, can running gear's drive prolonged downward goes out the vehicle front end. The utility model discloses a preceding cabin space who drives after setsup the foreboot of protractile vehicle front end, has satisfied user's individualized demand, has improved the convenience of operation simultaneously.