Mao Ling, MD, PhD, Chief Physician, Master's Supervisor. Director of the Pneumoconiosis Department, Shanghai Pulmonary Hospital. Academic Affiliations: 1. Expert of the Second National Technical Guidance Committee for Occupational Disease Diagnosis and Identification (2011.5-); 2. First Vice Chairman of the Youth Committee, Occupational Disease Professional Committee, Chinese Preventive Medicine Association (2013.11-); 3. Deputy Head of the Pneumoconiosis Imaging Group, Occupational Disease Professional Committee, Chinese Preventive Medicine Association (Standing Committee Member 2011.6-, Deputy Head 2017.1.1-); 4. Standing Committee Member of the Occupational Lung Disease Group, Labor Health and Occupational Disease Branch, Chinese Preventive Medicine Association (2013.4-); 5. Member of the Health Surveillance Group, Occupational Disease Professional Committee, Chinese Preventive Medicine Association (2015.1-); 6. Member of the First Expert Committee, Shanghai Occupational Disease Diagnosis Quality Control Center (2010.12-); 7. Member of the Occupational Health and Occupational Disease Professional Committee, Shanghai Preventive Medicine Association (2010.8-); 8. Member of the Occupational Disease and Environmental Medicine Specialist Committee, Shanghai Medical Association (2007.4-); 9. Expert of the Shanghai Technical Assessment Group for Labor Capacity Status (2005-); 10. Editorial Board Member, *Chinese Journal of Industrial Medicine* (2015.7-); 11. Editorial Board Member, *Journal of Clinical Pulmonary Medicine* (2017.1-); 12. Reviewer for *Journal of Environmental and Occupational Medicine*, *Chinese Journal of Industrial Hygiene and Occupational Diseases*, and *Chinese Journal of Clinicians (Electronic Edition)*; With over 20 years of experience in the prevention and treatment of occupational lung diseases, possessing dual professional backgrounds in clinical medicine and public health, familiar with occupational disease-related laws and regulations, and demonstrating strong research capabilities, with over 50 academic papers published. Led and participated in four projects funded by the Ministry of Health, Shanghai Science and Technology Commission, and Shanghai Health and Family Planning Commission. In August 2014, at the 13th National Academic Conference on Labor Health and Occupational Diseases, the study "Metal Pneumoconiosis in Welders: A Retrospective Follow-up Study of Round Small Opacity Pneumoconiosis in Welders" received the Second Prize of the 7th Wu Zhizhong Occupational Medicine Award (First Prize vacant); in 2014, recognized as an Outstanding Reviewer for *Journal of Environmental and Occupational Medicine*; in 2007, awarded the Best Poster Prize at the China-Japan-Korea Occupational Health Conference. Utilizing lung biopsy pathology, electron microscopy with X-ray elemental energy spectrum microanalysis, and X-ray diffraction techniques to obtain evidence of pneumoconiosis pathology and occupational dust, providing solutions for diagnosing difficult pneumoconiosis cases, particularly for migrant workers with pneumoconiosis who are highly mobile and difficult to diagnose with only a single chest X-ray.