Аннотация:Change of somatotype anthropometric characteristics, formation and rate of growth were followed up in longitudinal study in children aged 3-7, 138 girls and 150 boys aged 3 and 54 boys and 46 girls aged 7 were studied. Somatotypes were evaluated by means of statistics. It was established that within the observation period somatotype differences in children intensify due to different rate of constitutionally significant body sizes. In nearly half of the children somatotypes change due to growth or reduction of signs determining them.