介绍山东省TJ-Ⅱ型钻孔应变仪运行现状，通过研究M2波潮汐因子及相对中误差，衡量其总体精度和稳定性，结果表明，泰安地震台和青岛地震台的观测精度和稳定性较高，与钻孔的岩性和观测环境密不可分。

 This paper briefly describes the status of Shandong Province^,s TJ-Ⅱ borehole strainmeters. The accuracy and stability have been studied by the tidal factor of M2 wave and its relative error. Studies have shown that the accuracy and stability of Taian and Qingdao seismic station are good，it is inextricably linked with lithology and environment.