An abstract is a summary of entire paper should be written in Cambria with font size- 10. Author can select Normal According to the Health Sector Overview Report of the Ministry of Health, 3.9% of households (equivalent to 3.5 million people) face financial difficulties due to the cost of medical examination and treatment. The report also found that direct out-of-pocket household spending accounts for 50 percent of total health expenditures, while on average worldwide, this cost is only about 30 percent. In addition, due to the advancement of science and technology in the medical industry, methods are also born more and more, drugs and medical supplies are increasingly modern, prices tend to increase. Therefore, the increasing cost of medical examination and treatment is an inevitable trend. That will become a burden on the budget of each family, especially families with people with serious and chronic diseases that require long-term treatment. According to Vietnam Social Insurance data, by the end of December 2022, the coverage rate of Health Insurance reached over 92.06% (equivalent to nearly 91.1 million people). However, one thing worth. However, one thing worth note that easily exploited objects such as those participating in health insurance under labor contracts or groups paid by social insurance organizations and the State budget have almost absolute coverage. The remaining target groups have not high coverage and exploiting these groups is not easy because the health insurance participation fee is mainly paid by the beneficiaries. Therefore, achieving 100% coverage is not easy.