This study analyze long debate issues by the analysis of existing studies and the effect of private health insurance in the satisfaction of health service utilization. Then make developmental role of private health insurance. The analysis results of literatures, high-income earners are more subscriptions and the poor people in health status are excluded. Thus, enable private health insurance has the potential to lead the polarization of people. The medical use of private health insurance subscriber is more than non-subscriber and is likely to result in additional expenditure spending of public insurance. The contribution of private health insurance on improvement of the health option is clear. However, is not clear the contribution on health care quality improvement and health service customer satisfaction. The contribution on the national health care system efficiency of private health insurance is not clear. Private health insurance in the satisfaction of health service utilization is on effect. In short, supplementary private health insurance is desirable in our country.