Abstract: Nowadays,the issues of labor hygiene of women working at modern, modernized grainage plants of the republic are not studied, the levels of harmful production factors are not established, the degree of their influence on biological age is not defined.The research aim was to study the working conditions of women working at modern grainage plants of Uzbekistan with further assessment of their biological age, taking into account their work experience. The research results of the biological age of women working in unfavorable conditions of grainage production are presented. The work experience in grainage production has been determined (10 years), which causes premature aging and increased risk of health impairment.