The invention discloses a wireless temperature measurement system, which comprises a temperature collecting and transmitting device and a portable temperature receiving and storing device, wherein the temperature collecting and transmitting device is arranged on a wire clamp knot; the temperature collecting and transmitting device comprises a digital temperature sensor, a first data processing module, a radio frequency transmitting module and a first power supply module; the temperature collecting and transmitting device tightly contacts the wire clamp knot; temperature of a wire clamp is transferred to the inside of a temperature measurement sensor through metal heat conduction; the measured temperature is transmitted to the portable temperature receiving and storing device through the radio frequency transmitting module; an electric field induction power supply is adopted by the first power supply module; and no battery is provided. According to the wireless temperature measurement system disclosed by the invention, the temperature of a wire clamp connection part of a power transmission tower can be measured; and the wireless temperature measurement system is low in equipment cost, high in accuracy and convenient to measure.