The medical expenses that the medical insurance fund can pay usually include the following items:

1. Outpatient expenses: including outpatient medical expenses such as medical treatment, examination, treatment and surgery.

2. Hospitalization expenses: including medical expenses, operation expenses and bed expenses during hospitalization.

3. Drug expenses: including drug expenses during hospitalization and drug purchase expenses in outpatient department.

4. Examination expenses: including various medical examination expenses, such as laboratory tests, X-rays, CT and MRI.

5. Rehabilitation expenses: including the expenses of rehabilitation treatment and rehabilitation equipment.

6. Dental expenses: including dental treatment, tooth cleaning, tooth filling and other expenses.

7. Maternity expenses: including prenatal check-up, delivery expenses, puerperal nursing expenses, etc.

8. Children's medical expenses: including vaccination and medical expenses after birth.

9. outpatient special treatment expenses: including renal dialysis, radiotherapy, chemotherapy and other special treatment expenses.

1. Special disease expenses: including AIDS, cancer, hepatitis B and other special diseases for long-term treatment.

It should be noted that there may be differences between different regions and different medical insurance policies, so the specific payment scope needs to refer to relevant local policies and regulations.