Accurate safety airbag explosion system and method for family car

The invention belongs to the technical field of automobile safety, and particularly relates to an accurate safety airbag explosion system and method for a family car. Wherein the front collision sensor is installed on a front bumper cross beam, the side collision sensor and the pressure sensor are installed at the bottom of a B column and in a cavity of a vehicle door inner plate, and the front collision sensor, the side collision sensor and the pressure sensor are electrically connected with the safety air bag control unit. Acceleration signals collected by the front collision sensor, the side collision sensor and the pressure sensor are transmitted to the safety air bag control unit. The seat recognition system is in control connection with the safety air bag control unit and transmits detected information of a seat on which a passenger sits to the safety air bag control unit; the position where passengers exist is protected, the safety of the passengers can be effectively protected, air explosion can be av