The article presents a fragment of the reconstruction of the image of HEALTH in the modern Belarusian language. It is planned to identify the maximum complex of meanings of the concept of HEALTH using the cognitive definition developed by Jerzy Bartminski. The integral cognitive definition arises on the basis of the analysis of three types of data: systemic (lexicographic), empirical (obtained by survey) and textual. This publication contains the results of the analysis of the system data. The author uses obtainable lexicographic works from the field of Belarusian linguistics. Explanatory dictionaries in the meaning of HEALTH pri¬marily emphasize the physical state of the body, the mental state appears in examples, it can be deduced from them but it is absent in the definition. In lexicographic publications, other nuances of the meaning of the word also appear, for example, ‘healthy’ as ‘big, strong, sturdy’. However, etymological studies unambiguously show that the adjective ‘healthy’ originally meant 'tree’, 'good, healthy as a tree'. Etymologists convince us that initially the word characterized the tree as 'strong, hardy, not sick, healthy’, later it expanded its meaning to humans and animals. As follows from the proverbs and beliefs of Belarusians, health is a gift from God – it can be both good and weak, only in modern lexicographic data it is possible to find examples of human actions aimed at securing a good state of health, e. g. physical culture, a sober lifestyle, etc.