The invention discloses a rice three-free cultivation method for the paddy field. The rice three-free cultivation method comprises the following steps of treating straws of previous harvested crop, performing ridging, transplanting rice, adding earthworms, performing field management, and after rice is harvested, performing three-free circular planting. Ridging is performed in the paddy field, water is stored in furrows, and the rice is planted on ridges, so that the roofs of the ridges are maintained to be moist and free from water; through shielding of the rice, before ridging, an organic fe...
