The utility model provides a transmission line breeze vibration monitoring devices's verification unit, insert to transmission line breeze vibration monitoring devices's the measuring circuit in through checking the unit, the change over switch in the unit is checied in control, different verification modes is switched to different parts with to transmission line breeze vibration monitoring devices, it checies to carry out holistic function to transmission line breeze vibration monitoring devices, in order to guarantee test data appearing when unreliable as transmission line breeze vibration monitoring devices, the staff accessible time carries out transmission line breeze vibration monitoring devices's adjustment and maintenance. The verification unit includes: check the sensor for carry out the collection of transmission line breeze vibration data, check the resistance unit, contain 4 pieces of resistance that the resistance is the same to ally oneself with in transmission line breeze vibration monitoring devices's measuring circuit, change over switch for control check the sensor or check resistance access transmission line breeze vibration monitoring devices's measuring circuit.