The serious deformation and damage in the second horizontal track roadway in Xiaoxi Mine, and the main reasons for the serious deformation and damage caused by the high stress were the lithology of the floor, the influence of mining and the groundwater and so on. The countermeasures for the support of the bottom plate anchorage cable + steel strip and the meeting the needs of grouting support were put forward. The effectiveness of the design support was verified by numerical simulation and field application.