Design the optimal climb trajectory of the attack uav in the vertical plane using nonlinear programming . the calculation result states that the final altitude predetermined can be climbed fast and there are beter the profit in performance according to the climbing trajectory optimized 应用非线性规划方法对无人机在垂直平面内的最优上升轨迹进行优化设计,经优化后的爬升轨迹可以快速爬升到预定的终点高度,具有较好的性能效益。