Mixed rice is a rice plant that arises from other types of rice seeds, in addition those grown in the field. or may be the seeds of other plants that looks similar to the rice. As a result, other types of rice are mixed and the quality of rice is not good. It does not the desired species and affects the purity of the rice varieties. The management of mixed rice is must to choose the mixed rice plants from the rice field as much as possible. in order to obtain quality output Purity and breed.