Abstract: According to the unbalanced bearing phenomenon of 3414 working face in Xinyuan Coal Mine, based on the production geological conditions of 3414 working face, the bearing capacity mechanics model and UDEC Trigon numerical calculation model are established. The theoretical bearing coefficient of roadway unbalance is 2.93, which indicates that the bearing capacity of roadway coal body is larger than that of filling body; the rationality of micro-mechanics parameters of the rock strata in the model is validated. It is found that the fracture of surrounding rock is mainly shear fracture, the roof in mining area occurs tension and shear damage under the influence of strong vertical pressure of basic roof and the filling body; it shows that the area is a weak link in the control of the surrounding rock. The industrial experiment shows that the comprehensive control technology of the surrounding rock effectively controls the surrounding rock stability of the gob-side entry retaining.