Abstract: Mixed Planting Breeding refers to mixing the Parents’ seeds of Hybrid Rice, and sowing, get rid of the male parent through chemical methods after flowering and pollination, gain the seeds of Hybrid Rice, which is the mechanized way of seed production, and the development direction of hybrid rice seed production technology. This article expatiates on the entire process of Mixed Seeding of Hybrid Rice from three aspects such as drought mechanized-planting, water mechanized-planting, and mechanized-transplant seedlings.