According to the provisions of the tax law, each child can be deducted according to the standard quota of 1 0,000 yuan per month, that is,10.2 million yuan can be deducted every year. This standard is applicable to the related expenses for taxpayers' children to receive preschool education and full-time academic education. The definition of children includes legitimate children, illegitimate children, adopted children and stepchildren. The amount of tax refund is calculated and determined according to the actual situation of taxpayers and other relevant tax policies. Please consult the tax authorities or professional tax consultants when you declare personal income tax to ensure that you can enjoy the corresponding preferential tax refund for children's education expenses correctly.