Double air screen cleaner very suitable for cleaning sesame and sunflowers and chia seed, Because it can remove the dust leaves and light impurities very well. The double air screen cleaner can clean light impurities and foreign objects by vertical air screen, Then vibrating box can remove big and small impurities and foreign objects. Meanwhile the material can be separate into big, medium and small size when though different size sieves. This machine can remove stones also, The secondary air screen can remove dust from final products again for improve the sesame purity.