A method for controlling operations of safety devices of a vehicle includes determining whether there is a possibility of a collision with a preceding vehicle on the basis of vehicle driving information, determining occupancy information of a passenger or a type of a passenger or determining whether a passenger has fastened a seat belt using vehicle sensor information, and determining whether to apply, and applying accordingly, full braking, a full braking profile, or an airbag deployment scheme according to the occupancy information of a passenger, the type of the passenger, or whether the passenger has fastened a seat belt when a possibility of a collision is determined, and fully retracting the passenger's seat belt before full braking is applied after partial braking is applied.