The series of seed cotton cleaners are designed aiming at the handpicking cotton processing characteristics of China. It can fully open and loose the seed cotton. At the same time, it cleans the stiffened petals of the seed cotton, the infertile seeds, over lengthy soft and special external matter, raising the grade of the seed cotton, and laying a foundation to increase the quality of ginned and quality of cotton lint. It has the function of recovery, reducing the damage to the effective fiber to a maximum during the clearing, lessening the loss of garment. It is the optimum seeking seed cotton cleaning equipment of each cotton processing industry.