Quartz vibrating beam accelerometers (QVBA) are particularly attractive for their high precision and frequency output,and the sensitivity is an important factor which influences its performance.A new QVBA structure is performed to improve the sensitivity,in which one pair of restrainers is mounted above and under the quartz reed.The antishock performance of QVBA is enhanced for the maximum displacement of quartz reed is restrained by restrainer and the ability to resist vibration is enhanced too for the improvement of damp applied on the quartz reed,so the sensitivity of QVBA can be improved since the restriction of its firstorder modal frequency is decreased.The manufacturing process of the QVBA is designed by which the differential QVBA is manufactured. Under room temperature,the sensitivity of the differential QVBA is 65.74 Hz/g and bias stability is 15.8 μg in 10 min.