Researches were carried out according to influence of different forms of the organization of educational process (developing and traditional) on a functional condition of an organism of first-graders. In result it been established, that optimum changes weight and height increases from October by May were observed at children training under the traditional program, at them higher quality of performance of work is marked. At the children gymnasium a class change qualitative and quantity indicators of intellectual serviceability specified appearing attributes of exhaustion and a level creatinin and size of Na/K-factor testified to a pressure of power and functional systems of a children's organism.