Observation on the effect of whole rice and whole wheat as sole food on the growth of young rats are furtherly made. The results showed that both whole rice and whole wheat showed no significant difference in the growth of young albino rats, but the difference between the rice group and rice plus leafy vegetable and egg group and that between the wheat group and wheat plus leafy vegetable and egg group are highly significant. Addition, of small amount of vegetable and egg alternatively as supplementary food significantly enhanced the nutritive value, in terms of growth effect, of both whole rice and whole wheat.