Special additional deduction trial calculation
Summarize child-child education, infant care, housing, support the elderly, continuing education and medical deduction for serious illness.
This tool is calculated according to Chinese rules and RMB; the switching language will not change the tax system, interest rate, unit or applicable area.
Special additional deduction trial calculation User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- 100% of a child is deducted from the person, and the conditions are eligible throughout the year.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Calculated based on the actual eligible month and the shared share of the person, the interest and rent of the housing loan cannot be selected at the same time.
scope of use
Compliance with the corresponding eligibility and family sharing restrictions; the amount is used for trial calculation.
Page update date:2026-09-16. The wages and tax tools are calculated according to the scope of their respective descriptions. Please check the contract, salary calculation and applicable parameters. The system does not inquire or submit personal tax returns.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Compliance with the corresponding eligibility and family sharing restrictions; the amount is used for trial calculation. Please compare the input unit, rounding method, applicable rules and data version first.



