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[en] The excitations and damping of nonlinear dust magnetosonic waves in dissipative plasma are investigated. The dynamics of negatively charged dust particles is considered. The dissipation is taken due to dust neutral collisions. The ions and electrons are inertialess on dust dynamic scale. The temperature of ions and electrons is also taken into account. The linear dispersion charteristics of dust magnetosonic waves are discussed for different values of plasma parameters. For this purpose we have derived Damped Korteweg de Vries (DKdV) equation by applying the reductive perturbation method. For weak dissipation the analytical solution of DKdV is presented. For the numerical solution, we apply a two-level finite difference scheme with the help of the Runge-Kutta method. The effects of variations of different plasma parameters on the damping of nonlinear dust magnetosonic solitary wave structures are discussed.