Smart glasses, comprising a body, at least one antenna module, a radio frequency module, a sensing module and a processing module. The at least one antenna module is disposed on the body; the radio frequency module is coupled with the antenna module and used to receive or transmit a radio frequency signal by the antenna module; the sensing module is coupled with the antenna module and used to sense a capacitance value of a parasitic capacitance of the antenna module and generate a corresponding sensing signal; and the processing module is connected with the radio frequency module and the sensing module, wherein the processing module is used to run a corresponding application according to the radio frequency signal or the sensing signal.