Legal analysis: Femoral head replacement was identified as grade 4 disability. Four disabled workers who need to be replaced due to femoral head necrosis caused by work-related injuries shall be paid by the work-related injury insurance fund if the expenses 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; In principle, whoever agrees to exceed the standard will pay. Femoral head necrosis of workers with work-related injuries is not caused by work-related injuries. The cost of replacing the femoral head shall not be paid by the industrial injury insurance fund, and shall be handled in accordance with the provisions of local medical insurance. If the employer fails to participate in work-related injury insurance, the expenses that shall be paid by the work-related injury insurance fund shall be paid by the employer.

The Regulations on Work-related Injury Insurance stipulates that employees whose work-related disabilities are identified as Grade I to Grade IV disabilities shall retain their labor relations, quit their jobs and enjoy the following benefits:

(a) according to the level of disability from the industrial injury insurance fund to pay a one-time disability allowance. The standard is: 27 months' salary for first-degree disability, 25 months' salary for second-degree disability, 23 months' salary for third-degree disability and 2 1 month salary for fourth-degree disability.

(2) Pay the disability allowance from the industrial injury insurance fund on a monthly basis. The standard is: 90% of my salary for first-degree disability, 85% for second-degree disability, 80% for third-degree disability and 75% for fourth-degree disability. If the actual amount of disability allowance is lower than the local minimum wage, the difference will be made up by the industrial injury insurance fund.

(3) After the workers with work-related injuries reach retirement age and go through retirement formalities, they will stop paying disability benefits and enjoy basic old-age insurance benefits in accordance with state regulations. If the basic old-age insurance benefits are lower than the disability benefits, the industrial injury insurance fund will make up the difference.

Workers who are disabled due to work are identified as one to four levels of disability, and the employer and individual employees pay the basic medical insurance premium on the basis of disability allowance.

Legal basis: Article 35 of the Regulations on Work-related Injury Insurance. If an employee is identified as a first-class or fourth-class disability due to work, he/she will retain his/her labor relationship, quit his/her post and enjoy the following benefits:

(a) according to the level of disability from the industrial injury insurance fund to pay a one-time disability allowance. The standard is: 27 months' salary for first-degree disability, 25 months' salary for second-degree disability, 23 months' salary for third-degree disability and 2 1 month salary for fourth-degree disability.

(2) Pay the disability allowance from the industrial injury insurance fund on a monthly basis. The standard is: 90% of my salary for first-degree disability, 85% for second-degree disability, 80% for third-degree disability and 75% for fourth-degree disability. If the actual amount of disability allowance is lower than the local minimum wage, the difference will be made up by the industrial injury insurance fund.

(3) After the workers with work-related injuries reach retirement age and go through retirement formalities, they will stop paying disability benefits and enjoy basic old-age insurance benefits in accordance with state regulations. If the basic old-age insurance benefits are lower than the disability benefits, the industrial injury insurance fund will make up the difference.

Workers who are disabled due to work are identified as one to four levels of disability, and the employer and individual employees pay the basic medical insurance premium on the basis of disability allowance.