The routine design method are secure and feasible, however,, they need further modification. Firstly, the traditional rigid limit equilibrium methods are introduced and theirs disadvantages are pointed also. 常规的设计方法虽然是安全可行的,但仍需要进一步的完善。文中首先介绍了在岩壁式吊车梁锚固设计中常用的刚体极限平衡法,指出了它的不足之处。