The invention discloses a prediction control method for a grid-side converter model of a doubly-fed wind power generation system. The prediction control method comprises the following specific steps:acquiring a three-phase inductive current, a three-phase power grid voltage and an intermediate loop direct-current side capacitor voltage of a grid-side converter of the doubly-fed wind power generation system; acquiring the phase and frequency of power grid voltage by adopting a phase-locked loop PLL, and performing coordinate transformation on the three-phase inductive current and the three-phase power grid voltage based on the phase, to obtain the component in a d-q coordinate system; calculating an optimal control quantity by adopting a grid-side converter model predictive control algorithm; converting the optimal control quantity under the d-q coordinate system into a three-phase control voltage under an abc coordinate system bu using coordinate transformation; modulating the three-phase control voltage to obtain a PWM signal, and controlling a switching tube of the grid-side converter by using the PWM signal. The design method is based on a model prediction control mechanism, the self-adaptability and robustness of the control algorithm are improved, and the control performance is improved.