Legal analysis: child support agreement: 1. Time of child support payment. Child support is paid to 18 years old or live independently. Second, the content of child support. Maintenance includes: living expenses, education expenses and medical expenses. Three, the determination of the specific amount of child support. 1. If you have a fixed income, you can generally pay the child care fee according to the proportion of 20% to 30% of your total monthly income. Bear the one-child health care costs of more than two children, the proportion can be appropriately increased, but generally not more than 50% of the total monthly income. 2, no fixed income, the amount of child care fees can be determined according to the total income of the year or the average income of the same industry, with reference to the above ratio. Fourth, the payment method of child support. 1, one-time payment; 2. Regular payment and material discount. V. Other information about child support. In the divorce agreement, it is best for both parties to write down the situation of increasing alimony in the future, so as to avoid the trouble of suing in court when there is a dispute about increasing alimony in the future.

Legal basis: According to Article 107 1 of the Civil Code of People's Republic of China (PRC).

Children born out of wedlock enjoy the same rights as children born in wedlock, and no organization or individual may harm or discriminate against them. The biological father or mother who does not directly raise children born out of wedlock shall bear the responsibility for raising minor children or adult children who cannot live independently.