It is difficult to build the shale mineral component content models in Luojia area because of the rapid lithofacies change and unstable lithology. Two aspects of difficulties are solved by comparison, and three values including point-point, segment-point and segment-segment are compared. The result shows that the relative error of the segment-segment reading is minimum in error, less than8%, therefore, it is adopted. For the idea of modeling, the volume-based numerical method and inversion-based fitting method have been discussed. On the basis of the processing and analysis of well Luo 69, we suggest to build the mineral content explaining model bound by the geological conditions of lithofacies classification because of its simplicity and feasibility. The modeling methods and ideas provide the reference for the complex modeling in continental basins.