Medical and Health Care Institutions refer to the units which have been qualified the Certification of Health Care Institution by the administration of public health, or qualified the Certification of Corporate Unit by the civil affairs, administration for industry and commerce, commission office for public sector reform, and engaging in medical care, disease prevention and control, health supervision and inspection, medicine research and on-job training, etc., including: hospitals, health care institutions at grass-root level, specialized public health institutions, and other medical and health care institutions.