The ways for enterprises to give full play to the advantages of income pillar include optimizing tax management to improve efficiency, using preferential tax policies and providing personalized tax services.

1. Optimize tax management and improve efficiency: large tax enterprises have huge tax systems and complex business structures. Optimizing tax management can effectively improve the efficiency of tax work and thus increase income. Use big data, artificial intelligence and other technologies for tax management to improve the accuracy and efficiency of tax work.

2. Application of preferential tax policies: Large tax enterprises use various preferential tax policies, such as R&D expense deduction and preferential tax policies for high-tech enterprises, to reduce tax burden and increase income.

3. Providing customized tax payment services: According to the special needs of large enterprises, the tax authorities provide customized tax payment services of "one enterprise, one policy", including special services for major tax-related matters, special guidance for tax policies, tax risk reminders, and tax credit promotion measures. To help large enterprises prevent and resolve tax risks and improve the quality and efficiency of tax work.