Abstract: Quanshu23 developed from Jinshang57×Quanshu511 in 1996.The new variety performed high and stable yield, superior quality, resistance to Fusarrium Oxysporum f.sp.batatas and Psendomonas Solanacearum Smits and storability, approved by the Fujian Crop Variety Examination Committee in 2002. It is accumulated and plantd in Quan`gang, Hui’an, Jinjiang, Shishi, Xiapu, Jiaocheng and so on，and exhibited remarkable economical effectiveness.