Safety warning device for highway reconstruction and extension

The utility model discloses a safety warning device for highway reconstruction and extension, which comprises a display frame, a stand column is arranged at the bottom end of the outer wall of the display frame, a display groove is formed in the front end of the outer wall of the display frame, and safety warning assemblies are arranged on the display frame, the inner wall of the display groove and the front end of the outer wall of the stand column. The safety warning assembly comprises a warning component, a reminding component and a reverse view component, the warning component is installed on the inner wall of the display groove, and in the safety warning device, a person can be reminded to turn off a high beam through the arranged reflecting plate and the arranged light-emitting coating so that the situation that the person cannot check information on a warning board arranged on the warning frame in time can be avoided; and through the arrangement of a trotting horse lamp and a red and blue strobe lamp,