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In this paper, the problem of making an input-delay system with saturating actuators finite-time stable by virtue of di-gital control is investigated. A digital state feedback controller and digital observer-controller compensator are designed for two cases: when the state of the input-delay system are available or when it is unavailable. Sufficient conditions which guarantee fi-nite-time stability of a closed-loop input-delay system are given and the proof procedure is presented in a heuristic way by con-structing appropriate comparison functions. The condition can be transformed into the intersection of two curves satisfying some constraints, which reveals the relationship between designed parameters clearly. Finally, simulation results are presented to validate the method proposed in this paper.