Abstract: A new sweet potato cultivar Longshu24 was selected and bred from Longshu39-1by opening pollination in2005 by Longyan Institute of Agricultural Science, Fujian province.The results of Regional trial and production experiment of Fujian Province showed that the average yield of dry matter of Longshu24 was equivalent to the control (Jinshan57) , and the yield of starch was significantly better than that of the control.The dry matter content and yield of starch of tuberous root were 31.97%and 21.45%respectively.The results showed that Longshu24 is an ideal compatible cultivar with high dry matter content and high yield of starch, good edible quality, and relatively resistance to fusarium wilt.It had been approved by Fujian crop Variety Examination Committee in 2013.