Abstract: For solving the tighten balance state of foodstuff supply and demand in China and new energy sources demand across the world, according the development needs of sweet potato industrialization, the way of middle materials×(yanfen1/jinshan57) was adopted, new variety sweet potato longshu10 was selected with high and steady yield\high fecula rate\ good disease resistance and good taste. It is not only as “semi-entireness foodstuff”, but also the main material of regeneration energy sources plants. In this research, an important track is found in the limited petroleum resource and the new point of economy increase is searched out for sweet potato industrialization.