河西走廊位于青藏高原的东北部边缘，是青藏高原向东北推挤过程中形成的一个前陆盆地系。榆木山是位于河西走廊前陆盆地系中张掖盆地和酒东盆地之间的横向隆起山地。根据野外断层露头和地貌体的变形测量和分析，本文认为榆木山北缘断层是一条具有左旋位移的逆断层，东缘断层是一条具有右旋位移的逆断层，这两条断层在全新世期间都有明显的活动。榆木山的发育是沿着北缘断层和东缘断层的逆冲活动，造成山体内地块叠加变形的结果 Located on the northeastern margin of the Qinghai-Tibet Plateau, the Hexi Corridor is a foreland basin formed during the push of the Qinghai-Tibet Plateau to the northeast. Elm Hill is located in the Hexi Corridor Foreland Basin Zhangye basin and the wine between the basin uplift of the mountain. According to the deformation measurement and analysis of the outcrop and topography of the outcrop in the field, the fault in the northern margin of Elm Mountain is considered as a reverse fault with a left-lateral displacement and the eastern fault is a reverse fault with a right-lateral displacement. During the Holocene There are obvious activities. The development of Elm Mountain is a result of thrusting along the faults along the north margin and faults along the eastern margin, resulting in the superimposition of deformations in the mountains