Healthcare workers are at high risk in hospitals as they are facing various type of health hazards which are commonly known as occupational hazards which are categorised as physical, chemical, biological and ergonomic hazards. Hazards are associated with various risks which increase the illnesses or injuries among them. Due to advancements in technology and knowledge occupational hazards and safety are taken as serious concern than earlier times still there is lack of awareness among healthcare workers regarding occupational safety and hazards. This study was done through intensive literature review and the data was taken from Google Scholar, PubMed and Scopus database. The articles written in English and published from 2006 to 2022 were included in for the study. Only original papers that described health care worker’s knowledge on health hazards and protective measures in the hospitals or healthcare facility included. Based on the available literature it was found that the awareness level of healthcare workers was low regarding Occupational health and safety in different countries.