The study aims to determine the factors affecting the intention to use digital social insurance (VssID application) in Phan Thiet City, Binh Thuan Province. The study applies a combination of qualitative and quantitative analyses. The research data were collected from a direct survey of 150 residents in Phan Thiet City. The results have proved that six factors that positively affect the intention to use the VssID application, including performance expectancy, ease of use expectancy, subjective norms, trust, innovation, and health consciousness. Among these factors, the performance expectancy factor has the most influence on the intention to use the VssID application in Phan Thiet City, Binh Thuan Province.