Communication affects employees' awareness of the State's social security policies, from awareness to employees' behavior. The article presents the current status of participation in Voluntary Social Insurance in Vietnam in the period of 2018 to 2022. Based on the data collected through the Social Insurance Summary Report of Vietnam Social Insurance, the research team has assessed the difficulties in increasing the percentage of employees participating in Voluntary social insurance. The mentioned difficulties include a lack of knowledge about Voluntary Social Insurance, unstable income, or incorrect understanding of policies that have reduced the attractiveness of Voluntary Social Insurance. To overcome the above difficulties and strengthen communication to increase the participation rate of Voluntary Social Insurance in Vietnam, the research team has oriented to apply mass media to support communication through various channels such as advertising, newspapers, Social media, radio, and television. In the research results section, the authors have pointed out the importance, influence, application, and content of mass communication channels in the communication of Voluntary Social Insurance policies.