The United Nations has declared 2020 the International Year of Plant Health (IYPH), through Resolution 73/252, adopted on December 20, 2018 by the General Assembly. This is a unique opportunity to raise global awareness of how protecting plant health can help stop hunger, reduce poverty, protect the environment and stimulate economic development. The article explains the contradiction between humanity's view of the role of plants in the biosphere and their protection functions, when it becomes increasingly clear the need to change the paradigm of plant protection, which as a widely accepted mental construction, would provide the human community for a long time a consistent basis. for the substantiation of the new paradigm "Plant Health".