Health evaluation was carried out on the basis of determination of adaptive organism systems’ condition in 80 preschoolers of Ternopil. A predominance of adaptive reactions of an increased activation (46.3%) and overactivation (30%) was determined, that is the evidence of tense condition of adaptive mechanisms. But the fact that most of the children have presented harmonic type of reactions (51.2%) proved that pathologic processes in this age group demonstrate features of functional deviations and are auspicious for adaptation.
