Abstract: In order to obtain the parameters of the loose rock zone around roadway in Wannian mine,the measurement was made on the loose rock zone by in-situ multi-point stress test.Based on the dynamically monitor of the rock pressure of 13278 extraction laneway in the mine,the dynamical change law of the stress in surrounding rock of the laneway was analyzed,and the distribution of the loose rock zone of the laneway was found.These provide the theoretical basis for the supporting optimization of extraction laneway in this mine.