If we can make the corn in the ground grow in line with people's requirements, it can not only save the time of deforestation, fertilization, and boring, but also can reduce labor intensity and increase the ventilation, light transmission and pollination of corn. Opportunity to increase production. After many years of observation, exploration, and practice, the experts discovered this science and technology, and it was very simple and easy: Bao Numiao, who was nurtured, grew three leaves to find the largest and longest piece. It pointed to the future. The direction of fruiting. According to this law, the direction of growth and fruiting can be achieved by aligning the direction of the seedling leaves in the same direction during transplanting. Practice has proved that using this method transplanted, the yield increased by 12% compared to the general transplanting.