Motor vehicle with passive protection function

The utility model provides a motor vehicle with a passive protection function. The motor vehicle comprises a passive protection module arranged at the forefront end outside a vehicle body, wherein the passive protection module comprises a triggering device and a buffer device, the triggering device comprises a triggering plate and a triggering switch, the buffer device comprises a safe medicament chamber and a safe air bag, the triggering plate is connected with the triggering switch, the triggering switch is connected with the safe medicament chamber and controls the safe medicament chamber to generate gas, the safe medicament chamber is directly connected with the safe air bag, the triggering plate is positioned at the forefront end of the vehicle body, when obstacles are in contact with the triggering plate, the triggering switch is switched on, the safe medicament chamber begins to produce gas and fills the gas into the safe air bag, and the safe air bag is opened, so the collision between the motor vehic