The invention discloses an automobile, a steering lamp control system and control method of the automobile. The steering lamp control system comprises a camera device and an electronic control unit, the camera device is used for acquiring marking line information of a current driving road of the automobile, the electronic control unit is connected with the camera device, the electronic control unit is used for calculating an angle alpha between the automobile and a right road marking line according to the marking line information and an angle beta between the automobile and the right road marking line, and steering lamp control instructions are generated according to an alpha value and a beta value and an angle difference value between the alpha value and the beta, so that a left steering lamp/ a right steering lamp of the automobile are controlled. The system can automatically turn on corresponding right steering lamps of the automobile when the automobile changes a lane, turns a corner or stops aside and the like, traffic accidents caused by a driver without turning on the steering lamps are avoided, so that traveling safety is improved.