The incremental dynamic inverse robust control law was designed for hypersonic reentry vehicle.Firsttwo loop control modelsfast and slowwere established for the hypersonic vehicle.The reentry foreign strong disturbance was estimated through nonlinear disturbance observer for feedforward compensation.Thenthe incremental dynamic inversion control laws were designed respectively for the fast and slow loop through the state rate feedback.Nonsmooth control lawwith high antiinterference ability and fast convergence speedwas used to improve the system robustness.Finallythe linear trackingdifferentiator was introduced to solve the problem that the state rate required by the incremental dynamic inversion control law cant be measured.The simulation verifies the effectiveness of the proposed algorithm.