Investigation on oil content in cottonseed kernel of 41 cotton varieties showed that apparent difference in oil con-tent existed among varieties, the average content was 31. 19%, with the variation range of 27. 77% ~40. 36%, in which the highest one was CCRI 16 and the lowest one was Yumian No. 11. The fiber quality analysis showed that fiber quality of Hai7124 was the best and that of Jinmian No. 11 was the worst. The correlation analysis showed that there was no signifi-cant correlation between oil content in cottonseed kernel and fiber quality, which suggested that breeding of cotton variet...