Abstract: Abstract: Based on the data of National Huanghe River Cotton Regional Trials and Hebei province Cotton Regional Trials from 2002 to 2007, the genetic background, yield performance and stability, fiber properties, disease and insects resistance of new variety Ji228 that was approved by National Crop Variety Approval Committee were analyzed. The results showed that Ji228 have abundant genetic background of G. hirsutum and contributions from G. barbadense, the yield of this variety is high and stabile, fiber is high quality belong to type II cotton variety. It also has high disease resistance and high insects resistance and fit for being planted in Huanghe River valley Cotton region, especially for fertile irrigated field.