The article is devoted to a topical issue – the role of forest communities in the health and well-being of people during the period of rehabilitation after illnesses, specifically, the COVID-19 pandemic. The main issue is the preservation and maintenance of the sustainability of forest ecosystems, as a "factory of a health-improving nature." The most important functions of the forest are one of the main factors for the development of measures for the restoration and protection of forests. In the course of the work, the results of studies of the positive impact of forest ecosystems on human health and the maintenance of its vital functions were carried out, the specific effect of the phytoclimate of forest communities on recovery from past diseases, suppression of harmful organisms, and improving the quality of life was noted. The article provides facts about the protective and cleansing properties of individual trees and forests in general, and also expresses the need for efforts to protect the current forests and increase green spaces.