Legal basis: Calculation of taxable income in Article 6 of the Individual Income Tax Law of People's Republic of China (PRC): (1) The comprehensive income of individual residents is the taxable income after deducting expenses of 60,000 yuan from the income in each tax year, and then deducting special additional deductions and other legally determined deductions. (2) For the income from wages and salaries of non-resident individuals, the taxable income shall be the balance of monthly income after deducting expenses of 5,000 yuan; Income from labor remuneration, royalties and royalties shall be taxed. (3) For operating income, the taxable income shall be the balance of the total income in each tax year after deducting costs, expenses and losses. (four) if the income from property leasing does not exceed 4,000 yuan each time, the 800 yuan shall be deducted; If it exceeds 4,000 yuan, 20% of the expenses will be deducted, and the balance will be taxable income. (5) For the income from property transfer, the taxable income shall be the balance after deducting the original value of the property and reasonable expenses from the income from property transfer. (6) Interest, dividends, bonus income and contingent income shall be limited to the taxable income each time. Income from remuneration for labor services, remuneration for manuscripts and royalties shall be the balance after deducting expenses. The amount of remuneration should be reduced by 70%. Individuals donate their income to public welfare charities such as education, poverty alleviation and poverty alleviation, and the part of the donation that does not exceed 30% of the taxable income declared by taxpayers can be deducted from their taxable income; If the State Council stipulates that donations to charity should be fully deducted before tax, such provisions shall prevail.