China's Special Additional Deductions: How Seven Individual Income Tax Items Cut Your Bill

The first time I filed my own annual reconciliation in China, I assumed the "special additional deductions" line in the 个人所得税 app was one number my employer had already optimized. It was not. It was a stack of seven separate policy items, and two of them I had never switched on. Fixing that took ten minutes and put about ¥6,000 back in my account. This guide walks through what those seven deductions are, how the fixed monthly amounts feed into the tax math, and how to estimate your own refund before you open the official app.

What "special additional deductions" actually means

China's individual income tax (个人所得税) on comprehensive income — wages, labor service, author's remuneration, and royalties — works on annual taxable income. You start from gross comprehensive income, subtract the standard ¥60,000 basic deduction, subtract your personal portion of the five social insurances and housing fund, and then subtract the special additional deductions. Whatever survives runs through a seven-bracket progressive table (3 / 10 / 20 / 25 / 30 / 35 / 45%).

The key thing to internalize: most of the special additional deductions are fixed monthly amounts that come straight off taxable income before the progressive rate is applied. They are not credits against tax owed and they are not percentage-based. Children's education is a flat figure per child per month. Elderly care is a flat figure per month. The amount you save is simply that deduction multiplied by your top marginal bracket — which is exactly why someone in the 20% bracket saves twice as much from the same deduction as someone in the 10% bracket.

The seven deductions and their amounts

Here are the 2024-policy figures the simulator uses by default. Verify each against your own situation — caps and exclusivity rules matter.

Children's education — ¥2,000 per child per month. This was doubled from ¥1,000 by the State Council notice in 2023, retroactive to the whole year. Covers age 3 through the completion of higher education.
Infant care under age 3 — ¥2,000 per infant per month. A separate, stackable item added in 2023, also doubled from ¥1,000. A family with a toddler and a primary-schooler claims both: ¥2,000 plus ¥2,000.
Elderly support — ¥3,000 per month if you are an only child; for non-only children the ¥3,000 is shared, capped at ¥1,500 each. Applies once your parents turn 60.
First-home mortgage interest — ¥1,000 per month, for up to 240 months.
Housing rent — ¥1,500 in tier-1 cities, ¥1,100 in mid-tier, ¥800 elsewhere. You cannot claim both rent and mortgage interest in the same tax year — it is one or the other for the household.
Continuing education — ¥400 per month for academic study (up to 48 months), or a one-off ¥3,600 for a professional certificate in the year you obtain it.
Serious-illness medical — self-paid expenses above ¥15,000 (after basic-insurance reimbursement), deducted on actual receipts up to a ¥80,000 annual cap. This one is year-end only, with no monthly version.

A worked example: two deductions, ¥6,000 saved

Take a Beijing employee with ¥240,000 of gross annual comprehensive income and ¥36,000 of social-insurance personal contributions for the year.

Before any special additional deductions:

Taxable income = 240,000 − 60,000 (basic) − 36,000 (insurance) = ¥144,000
Tax = 144,000 × 10% − 2,520 (quick deduction) = ¥11,880

Now she switches on two deductions she qualifies for: children's education for one child (¥2,000/mo = ¥24,000/yr) and elderly support as an only child (¥3,000/mo = ¥36,000/yr). That is ¥60,000 of deductions.

New taxable income = 144,000 − 60,000 = ¥84,000
Tax = 84,000 × 10% − 2,520 = ¥5,880

Tax saved = 11,880 − 5,880 = ¥6,000. Because both the old and new taxable income sit inside the 10% bracket, the saving is exactly the ¥60,000 of deductions multiplied by 10%. If her income had pushed her into the 20% band, the same two deductions would have saved ¥12,000. Same fixed monthly amounts, double the benefit — that is the mechanics of a progressive table working in your favor.

Pre-withholding versus year-end reconciliation

During the year your employer's payroll deducts tax month by month using cumulative withholding (累计预扣预缴). That figure is rarely the final answer. Every spring, from March 1 to June 30, you run the annual reconciliation: the full-year formula with every deduction you finalize, compared against what was already withheld. If pre-withholding was higher, you get a refund; if lower, you pay the difference.

Refunds usually come from one of three situations — you added a deduction mid-year that never reached HR, you had labor-service income over-withheld at 20% or 40%, or you switched employers and the new one restarted the cumulative table at zero. The simulator shows both numbers side by side so you can see the gap before the official app does.

How I use the simulator

My own routine now takes about a minute. Before I open the official app each March, I load last year's gross income, toggle on the deductions I actually used, and paste the year-to-date withholding figure from my January payslip. The tool gives me a rough refund number. The year I caught my missing elderly-care deduction, the simulator said ¥6,000 and the app eventually confirmed within a couple of hundred yuan — close enough to know my inputs were sane and that the app had nothing hidden from me. If the two numbers disagree badly, that is the signal to go hunting for a deduction I forgot to declare.

If you want to see how the same income behaves without the special deductions layered in, the plain income tax calculator is a useful baseline to compare against.

Three mistakes worth avoiding

First, do not file with the old amounts. Children's education and infant care are ¥2,000 each, not ¥1,000; the only-child elderly cap is ¥3,000, not ¥2,000. Old numbers mean under-reported deductions and over-paid tax.

Second, do not try to claim both rent and mortgage interest. The policy is strict on one-or-the-other, and toggling mid-year can fragment your "扣除起止月份" so the months no longer reconcile cleanly. Recheck the start and end months in the app before submitting.

Third, treat serious-illness medical as a year-end item only. There is no monthly pre-withholding version, it works against actual self-paid receipts above ¥15,000, and you should keep the social-insurance settlement slips for at least five years in case of audit.

None of this replaces an official filing — the real reconciliation goes through the 个人所得税 app or your employer's withholding channel, and a complicated situation deserves a tax professional. But for planning, an honest estimate of what you can deduct is the difference between leaving money on the table and not. Run your numbers, switch on every item you legitimately qualify for, and check it against your real filing.

Made by Toolora · Updated 2026-06-13