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This paper designs the finite-time stabilization control for the electric control diesel engine in model deviation and load perturbation. First, due to the use of nonlinear piecewise function, the conventional ADRC have too many control parameters, which led to theory analysis and engineering application is difficult. Because of the inverse hyperbolic sine function is smooth curve, we use it to establish ADRC, which will reduce the adjusting parameters, decrease the difficulty of the theoretical analysis, and it is convenient to be used in engineering. Second, the feedback control law we design the finite time convergence properties ADRC for better control effect. From the simulation, we know that the new algorithm has better control effect.