Automotive electronic control system consists of sensors, the electronic control module, actuators, three major components of the development of new technology can be divided into electronic engine control technology and electronic technology, vehicle chassis safely electronic-controlled technical. In modern automotive electronic control system in all aspects of each field has made important contribution. Based on the chassis of the airbag control technology to automobile technology, for example, the domain to electronic technology as the core of the safety device is studied. The airbag as passive safety car in an important device, effectively protect the life safety of personnel rides. Through the statistics and data showed that, in the car collision, can correctly use belt and airbags can make head injury rate reduce 30-50%, facial injury rate reduce 70-80%. Based on the airbag action safety protection and measured the time process were analyzed to verify the rough study the feasibility of the airbag.