针对巷道交岔点建模的难点问题,采用基于巷道底板中线加载巷道断面的方式绘制单一巷道体,提出了根据巷道设计参数的方式对柱墙式交岔点进行建模。并依据穿尖式交岔点和马门头中两条巷道自然相交的特征,对二者进行建模。最后通过C#结合Direct X的编程方式进行验证,结果表明所绘制的巷道交岔点外观规整并形成连通。 Aiming at the difficulty of the modeling of roadway crossing point, a single laneway body is drawn based on the laneway cross section loaded by midline of roadway floor, and the method of modeling the column wall cross point is proposed according to the design parameters of roadway. The two models are modeled according to the natural intersection of the two tunnels in the tip crossing and Mamen head. Finally, the verification by C # and Direct X programming shows that the drawn roadway intersection has regular appearance and connectivity.