Abstract: Based on the germplasm resource investigation of walnut trees in Huili County of Sichuan Province,3 superior individual tree strains were selected through preliminary,repeated and final selections. The 3 superior invividual tree strains were "Xiaoshu", "Taiping 1" and "Bailong 1". The Fresh fruit production per selected tree was 354 kg~418 kg,average mass of single nut was 5.54 g~15.61 g,the shell thickness was 1.45 mm~1.47 mm,the kernel percentage was 49.91%~50.41%,the crude protein was 20.53%~21.47%,and the crude fat was 65.22%~65.68%.