Abstract: In this paper, the stable robust control problem of generalized uncertain systems is studied by employing Lyapunov stable theory and matrix norm properties. For different cases, design methods of two kinds of stable robust controller (state feedback ,normal dynamical compensator)are given, which ensure asymptotic stability of the closed loop uncertain system. Meanwhile, the norm bounds of system uncertainties of finding the best controller that has the maximal uncertainties norm bound among several stable robust controllers are put forward.