Crossing wireless alarm device

The invention discloses a crossing wireless alarm device which comprises a traffic signal lamp (1) and a camera (2), and further comprises an image processing device (3), a wireless signal transmitting device (4) and a wireless signal receiving device (5), wherein the image processing device (3) is provided with two input ends and one output end, the input end is respectively connected with the traffic signal lamp (1) and the camera (2), the output end is connected with the wireless signal transmitting device (4), and the wireless signal receiving device (5) is mounted on a vehicle. Compared with the prior art, the crossing wireless alarm device provided by the invention has the following benefits: the crossing wireless alarm device sends the location information of a vehicle running the red light at a crossing in real time through the wireless signal transmitting device to the wireless signal receiving device on the vehicle near the crossing, and promotes a driver through voice to do corresponding preparation or take corresponding measures so as to avoid traffic accidents farthest.