The significance of improving the budget implementation rate of social security funds lies in ensuring the effective use of social security funds, ensuring the sustainability and stability of the social security system, and also helping to enhance people's confidence and recognition of the social security system. Specifically, improving the budget implementation rate of social security funds can bring the following benefits:

1. Improve the sustainability and stability of the social security system: the social security fund is an important part of the social security system, and the improvement of the budget implementation rate can ensure the full and reasonable use of the social security fund, thus ensuring the sustainability and stability of the social security system.

2. Enhance people's confidence and recognition of the social security system: Improving the budget implementation rate of the social security fund can ensure the fairness, transparency and reliability of the social security system and enhance people's confidence and recognition of the social security system.

3. Promote economic development and social stability: Social security funds can promote consumption and investment to a certain extent, improve residents' consumption capacity and enthusiasm for production and investment, thus promoting economic development and social stability.

4. Protecting the rights and interests of vulnerable groups: Social security fund is an important means to protect the rights and interests of vulnerable groups. Improving the budget implementation rate can ensure the full utilization of social security funds and enhance the protection of vulnerable groups by social security system.