Generalized Limit Equilibrium Method - GLEM was introduced by Enoki in 1990 to analyze the stability of earth slopes. The advantage point of this method is that the the sliding soil mass is considered as a lock system, of which the bottom planes and interblock planes are just the slip planes, whereas in ordinary Limit Equilibrium Methods (LEM), the sliding soil mass is considered as the pieces, of which only the bottom planes are the slip planes, the inter-piece planes are vertical and on these planes the slip condition is not satisfied. In this paper, the authors would you like to develop the GLEM to analyze stability of earth slopes.