"Working environment and health of workers at asbestos - cement corrugated sheet production Dong Anh Investment Construction and materials Joint Stock Company, Ha Noi in 2021" was performed in July 2021 to February 2022 and aimed at: (1) Describe the actual situation of the working environment at Dong Anh investment construction and building materials joint stock company; (2) Describe the health of asbetos cement workers at Dong Anh investment construction and building materials joint stock company in 2021.