The utility model provides a wireless buckle-type dynamometer which comprises a microdeformation sensor, a signal processing and wireless communication module, an acceleration sensor and a polished rod, wherein the microdeformation sensor acquires a deformation signal of the polished rod and outputs the deformation signal into a digital signal; the signal processing and wireless communication module is connected to the microdeformation sensor, and converts a deformation variation represented by the digital signal into a tension variation; the acceleration sensor is connected to the signal processing and wireless communication module, and transmits the motion acceleration quantity to the signal processing and wireless communication module; and the signal processing and wireless communication module converts the acceleration quantity into a displacement quantity, and performs data processing to convert the tension variation and the displacement quantity into power data. The wireless buckle-type dynamometer solves the problems of severe potential safety hazard, no guarantee for test personal security and the like in the prior art, and has the advantages of high precision, high use convenience and high operation safety.