legal ground
Paragraph 3 of Article 30 of the Regulations on Work-related Injury Insurance
If the expenses required for work-related injury treatment meet the catalogue of work-related injury insurance diagnosis and treatment items, the catalogue of work-related injury insurance drugs and the hospitalization service standard of work-related injury insurance, they shall be paid from the work-related injury insurance fund. The catalogue of work-related injury insurance diagnosis and treatment items, the catalogue of work-related injury insurance drugs and the hospitalization service standard of work-related injury insurance shall be stipulated by the social insurance administrative department of the State Council in conjunction with the health administrative department of the State Council, the food and drug supervision and management department and other departments.