To provide a vehicle lock unlocking system capable of gathering information effective in a criminal investigation of a theft of a vehicle and operation control of a commercial car.

This system is constituted so that a vehicle using history data input/output means 15 stores information for indicating a vehicle state such as a vehicle position, a traveling speed, an engine speed, and opening/closing of a door detected by a vehicle sensor 30, in a vehicle using history data storage means 16 with every preset period, and identification information on a normally authenticated electronic driving license is also stored in the vehicle using history data storage means 16 when authentication becomes normal by an authentication processing means 13.