Responsible for organizing the implementation of tax system, social insurance premium collection system and related non-tax revenue service system. Organize tax service and tax publicity to protect the legitimate rights and interests of taxpayers and payers. To undertake administrative punishment hearings, administrative reconsideration and administrative litigation involving taxes, social insurance premiums and related non-tax income.

Responsible for the management of international tax and import and export tax within the jurisdiction, and organize anti-tax avoidance investigations and export tax rebates.

Responsible for the construction of grass-roots units and cadres, strengthen the construction of leading bodies and reserve cadres, and undertake the training of tax talents and the education and training of cadres. Responsible for system performance management and cadre assessment.

Responsible for the construction of internal control mechanism of this system, supervise and inspect the implementation of major decisions made by the CPC Central Committee and the State Council and the deployment of superior work, and organize the implementation of tax law enforcement inspectors.

To be responsible for studying and drawing up the medium and long-term planning of taxation, social insurance premiums and related non-tax revenues in this system, participating in drawing up the budget targets of taxation, social insurance premiums and related non-tax revenues according to law and organizing their implementation. Responsible for the accounting of tax, social insurance and related non-tax income in this system. Organize income analysis and forecast.