1. Check the payroll: the payroll will list all components of salary, including basic salary, allowance, bonus, etc. , as well as various taxes and fees deducted, such as personal income tax and social security expenses;

2. Consult the employer: directly consult the employer and the employer will provide the answer;

3. Login to the website of China State Taxation Administration of The People's Republic of China: Select the "Personal Income Tax" section, inquire about the payment of personal income tax through the "Personal Income Tax Service Platform", and enter information such as ID number and name.

Wage tax policy:

1. The individual income tax law stipulates that the income from wages and salaries is subject to excessive progressive tax rate, and the tax rate is divided into seven grades;

2. threshold adjustment: according to the latest national policy, the threshold of personal income tax may be adjusted;

3. Special additional deductions: including special additional deductions for children's education, continuing education and serious illness medical treatment;

4. Comprehensive income settlement: wage income, labor remuneration, manuscript remuneration, etc. Are combined for annual settlement and settlement;

5. Application of tax rate table: According to the individual's monthly income, use the corresponding tax rate table to calculate the tax payable.

To sum up, you can learn more about the tax deduction by looking at the payroll, and directly consult the employer to get the answer to inquire about the tax amount deducted from wages. You can also log in to the personal income tax column of People's Republic of China (PRC) State Taxation Administration of The People's Republic of China website and enter relevant personal information through the tax service platform.

Legal basis:

Individual Income Tax Law of the People's Republic of China

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Personal income tax shall be paid on the following personal income: (1) income from wages and salaries; (2) Income from remuneration for labor services; (3) Income from remuneration; (4) Income from royalties; (5) Operating income; (6) Income from interest, dividends and bonuses; (7) Income from property lease; (8) Income from property transfer; (9) Accidental income. Individual residents who obtain income from items 1 to 4 of the preceding paragraph (hereinafter referred to as comprehensive income) shall calculate individual income tax according to the tax year; Non-resident individuals who obtain income from items 1 to 4 of the preceding paragraph shall calculate individual income tax on a monthly or itemized basis. Taxpayers who obtain income from items 5 to 9 of the preceding paragraph shall calculate individual income tax separately in accordance with the provisions of this law.