1, the system is not perfect. China's flexible employment system is not perfect, and the social security subsidy policy is not perfect enough, which leads to the problem that social security subsidies cannot be found.

2. Information asymmetry. Due to the characteristics of flexible employment, many people start their own businesses or work at home, which leads to information asymmetry, and the information of social security subsidies cannot be updated to relevant departments in time and can not be queried.