The invention discloses a method for cultivating organic plants. The method for cultivating the organic plants comprises the following steps that (1), a farmland is fertilized with compost and deep tillage of 25cm-30cm is conducted, wherein the compost comprises, by weight, 1 ton of cow dung, 7kg-9kg of phosphate ore, 3kg-5kg of shrimp shell meal (or crab shell powder) and 50kg-60kg of rot straw; (2) the non-GMO plants are planted and cultivated, wherein in the process of cultivation, weeds are pulled out and farmland pest control is conducted through physical control and biological control. According to the method, six kinds of agricultural harm are thoroughly avoided; the ecological principle is adopted, it is started from comprehensive development and utilization of the straw, pests, the weeds and the compost, planting and cultivating are combined, the soil is improved, and a low-yield farmland is converted into a high-yield farmland so that the grain yield in an organic production mode can be guaranteed, real economic benefits of a peasant household can be increased, environment can be protected, the soil can be improved, and the grain safety can be guaranteed.