This dissertation aimed to achieve three main objectives: 1) to investigate the current state of private health insurance systems, 2) to analyze the fair issues within the context of private health insurance from an interdisciplinary perspective, and 3) to propose a framework for the fair development of a private health insurance system. The research employed an interdisciplinary approach, encompassing the dimensions of economics, management, ethics, and law. This research employed a mixed-methods research approach. 1) The qualitative research portion utilized structured interviews and analyzed data through content analysis, along with examining life and health insurance policies of life insurance companies. The analysis was conducted based on fundamental legal contract criteria. 2) The quantitative study employed surveys and analyzed data using statistical methods, along with documents related to compensation payouts, insurance premiums, and benefits from life insurance companies. Financial analysis was performed, drawing a comparison with the economic analysis.