An insect- and mosquito- repelling street lamp, comprising a lighting assembly, a support assembly, a solar assembly, and an air jetting assembly. The lighting assembly is fastened to the support assembly. The solar assembly has one end fixed to the support assembly and the other end arranged inside of the support assembly. The air jetting assembly is disposed at the support assembly. The lighting assembly comprises a high-transmittance toughened glass member (1), an LED light bulb (2), and a lamp cover (3), and the LED light bulb (2) is arranged within the lamp cover (3). The high-transmittance toughened glass member (1) is located at a lower end of the lamp cover (3), and forms an enclosed space with the lamp cover (3). The support assembly comprises a lamp pole (4), a lamp arm (5), and a base (6). The lamp pole (4) is fixed to above the base (6) of the street lamp. The lamp arm (5) is fixed to the lamp pole (4). The lamp pole (4) is configured as a telescopic structure. The street lamp can perform self-cleaning at fixed times and fixed locations while providing lighting in the daily life, thus providing superior lighting effects, and protecting pedestrian and vehicle safety for people.