In order to improve students' skills related to Digital mining design in the major of Mining Engineering and meet the demand of talents on the building of Digital mine, it will be the most important part to study the application of secondary development of AutoCAD in Digital mining design and its teaching practice. Based on parametric design and secondary development of AutoCAD, this paper gives us the way of Basket-handle arch tunnel cross-section, so that will raise greater efficiency of design drawing. At last, it will also have positive im...