For a class of nonlinear systems under input and states constraints,this paper studies the full state prescribed performance instead of output prescribed performance, and a constrained command backstepping controller based on full state prescribed performance is designed. By combining the adaptive backstepping technique,the constrained command filters are adopted to accommodate the constraints, and to avoid the tedious analytic computations of time derivatives. The pseudo control hedging(PCH) techniques are combined with the command filter to compensate the error. The full state compensation tracking errors achieve preselected bounds on the transient performance. Based on the Lyapunov stability theory, the proposed controller is designed. Simulations are carried out to verify the effectiveness and correctness of the proposed approach.