The application of planting bars technology in engineering strengthening and rebuilding is extensive. Contrary to organic material, inorganic material has advantages in high temperature resistance and long-term durability. Based on pull-out test of different diametrical rebars(12,14,16,20,22) with different anchorage length(10d,15d,20d) in concrete foundation of different strength(C20,C25,C30,C40).Factors affecting the ultimate bearing capacity of rebars are deduced. Fatherly the load-displacement curve is obtained. The result provides the basis for engineering application design. Its characteristics in early strength, adhesive force to concrete can satisfy the need of the building to the planting rebars with inorganic material and the loading force. Therefore it can be used as a substituting material for anchoring adhesive.