The emergence of solar road studs has reduced the occurrence of safety accidents. According to statistics, someone dies in a traffic accident every six minutes in the world, so it is very necessary to strengthen road safety facilities. Not only does it have a wide range of applications, but it also comes in many colors. The colors of solar road studs can be divided into red, yellow, white, blue, and green, a total of five colors. Each color represents a different meaning, which to a certain extent plays a role for drivers. The function of warning makes travel safer and more secure.