According to attitudes and statistics related to work-related accidents, the use of chemicals endangers the lives of thousands of people every year, and one of the main reasons for this is due to non-compliance with safety and health regulations in laboratories.The extent and progress of science and the development of various industries as well as the use of various chemicals have exposed human beings to various accident-causing factors and has made the issue of prevention of workplace accidents more important than ever. Laboratories are one of the places where the probability of these accidents occurring due to exposure to various chemicals and blood and interstitial products and non-observance of safety principles is very high. The first and most important issue in laboratories is to observe the principles of safety and health. It should be noted that all chemicals are toxic and harmful and only their dosage is different.