Aiming at the problems of low yield and low precision of resonant accelerometer, this paper takes quartz vibrating beam accelerometer as an example, adopts the introduction of standard signal, takes the resonant circuit as "black box", and carries out independent evaluation on it. By evaluating the driving voltage amplitude stability, phase shift stability, full temperature amplitude/phase symmetry and other indicators of the circuit, a one-to-one correspondence relationship is established with the actual indicators of the accelerometer, which provides an effective basis for the development and performance improvement of the accelerometer. Through practical application, the noise performance and temperature performance of the circuit are greatly improved, and the product yield has been increased from 70% to 90%.