Legal basis: Article 36 of the Law of People's Republic of China (PRC) on the Prevention and Control of Occupational Diseases, the employing unit shall establish occupational health monitoring files for workers and keep them properly within the prescribed time limit. The occupational health monitoring files shall include the employees' occupational history, occupational hazard exposure history, occupational health examination results, occupational disease diagnosis and treatment and other relevant personal health information.
When leaving the employer, the laborer has the right to ask for a copy of his occupational health monitoring file, and the employer shall provide it truthfully and free of charge, and sign the copy provided.