Warning device for preventing automobile from contacting to earth and colliding

The utility model discloses a warning device for preventing an automobile from contacting to earth and colliding. The warning device comprises an information collection module, a data storage, a single chip microcomputer and a voice warning device, wherein the information collection module comprises laser radar diastimeters installed at the bottoms of a front bumper and a back bumper and a vehicle speed sensor installed on an output shaft of a transmission, the information collection module is connected with the single chip microcomputer through the data storage, and the voice warning device is connected onto the single chip microcomputer. The warning device is mainly used for warning contacting to earth and colliding possibly occurring during automobile climbing traveling, parking lot parking and automobile backing, reminds a driver of cautious driving and pays attention to traffic safety.