Abstract:The mathematics models and their theory inferences are founded for the optimum design of the skyline on forestry cableway in this paper. The BASIC program designed can be used for the optimum design of the skyline of single span or multispan cableways. The program passed in Chinese or English on PC-1500 or APPLE-Ⅱ.The software is efficient, accurate, versatile, easy to operate and fast to calculate.