Abstract: We have several experiments in different sowing - time about the newly - imported rice cultivars in Xichang . By analyzing the body of rice seeding, We think March, 15th sowing the kinds such as Yang Xin You - 1, Nei Xiang You - 3, Jin You - 188 and Fu You -4 and so on is the best time; and the very time to sow Nei Xiamg You - 13 is on March, 29th.