The invention relates to a method for realizing variable filtrational resistance oil displacement. The method for realizing variable filtrational resistance oil displacement comprises: 1, aimed at a reservoir whose actual reservoir is longitudinal heterogeneous, testing reservoir structure parameters of different permeable reservoirs; 2, combined with the fracture pressure, injection pressure, and pressure gradient of the actual reservoir, performing boosting matching monitoring experiments of different injection systems in different pore throat conditions, evaluating injection ability of different injection systems; 3, determining the type of the injection system and injection sequence required by variable filtrational resistance oil displacement; 4, and performing variable filtrational resistance oil displacement and evaluating effect. The method can test the positions of displacement fronts of different displacing agent systems in different permeable reservoirs, and provides reference for design of a variable filtrational resistance oil displacement scheme, so as to realize variable filtrational resistance oil displacement. Above all, the displacement front is approximate to parallel development is realized, so as to greatly improve final ultimate recovery factor.