The text analyzes occupational health as a discipline concerned with promoting and maintaining the physical, mental and social well-being of workers in their work environment. There are different models and approaches used in the field of occupational health that are addressed in the text. The author approaches the subject from occupational audiology and culminates with a protocol of the various tests and recommended procedures, supported by evidence and concepts. The text is aimed at university students and practicing professionals .From a holistic viewpoint, the material focuses on identifying and eliminating occupational hazards that can cause injury or illness in workers. This model is based on hazard identification, risk assessment and the implementation of control measures to prevent accidents and promote a safe work environment.