The Notice on Further Strengthening the Occupational Health training of Employers issued on December 13, 2022 (Occupational Health Letter of the State Health Office (2022) No. 441) clearly requires that the main person in charge of the employer, occupational health management personnel and workers should receive occupational health training on time, and is accompanied by the Occupational Health Training Outline of the Employer. The training time, content and other requirements are clearly defined.