An anti-rice heavy metal pollution method comprises the following steps: adding lime and anti-rice heavy metal pollution agricultural capital goods into irrigation water, thus allowing the water to provide irrigation and anti-rice heavy metal pollution effects. The water is irrigated into rice field so as to uniformly and continuously control the rice heavy metal pollution. Compared with the prior art, the novel method can save an operation step in which people or machine need to enter the filed for applying lime; the novel method is high in control effect, low in cost, simple and reliable, suitable for farmer single application, and can be used for large scale machinery application in irrigation areas.