To any other Social-Support system, Medical Care is the resource re-distribution from generation to generation. Medical Loans Program reflects the social fact, that the budget can not satisfy of demand in the aging society, especially in long-term care system. Public and private medical care in Hong Kong is the argumentative social issue, public medicial care needs substitute financing, toward the quasi-social support financial mechanism with mutli-insurance carrier. Well-developed financial mechanism is the major factor between Social insurance and Medical Loans Program. To analysis in macro level, economy cycles and aging society are social facts we can not avoid. However, we must face them in advance.