1. Commercial house: purchase contract, full purchase invoice, and my valid identity certificate.

2. Second-hand house: my valid identity certificate, real estate sales contract, property ownership certificate after property right change, deed tax payment certificate and purchase invoice.

3. Unit house: purchase contract, full purchase invoice, valid identity certificate, marriage certificate or household registration book and relationship certificate that can prove the relationship between husband and wife.

Materials to be prepared for children to purchase housing provident fund:

1. Identity certificate: original and photocopy of ID cards of the extractor and children;

2. Provident fund account information: the original and photocopy of the passbook or bank card of the drawer's and children's provident fund account;

3. Extraction application form: the original and photocopy of the extraction application form filled out by the extractor;

4. Purchase contract: the original and photocopy of the child's purchase contract;

5. Bank repayment certificate: If the child needs a loan to buy a house, the extractor needs to provide the original and photocopy of the bank repayment certificate;

6. Property right certificate: the original and photocopy of the property right certificate of the house purchased by the children;

7. Tax payment certificate: the extractor needs to provide the original and photocopy of the tax payment certificate paid when buying a house;

8. Other supporting materials: Depending on the reasons for extraction, the extractor may need to provide other supporting materials, such as children's marriage certificate.

To sum up, housing provident fund management centers in different regions may have different policies and requirements for children to purchase houses and withdraw provident fund, and the specific requirements need to be adjusted according to local policies and requirements.

Legal basis:

Article 25 of the Regulations of People's Republic of China (PRC) Municipality on the Administration of Housing Provident Fund.

If the employee withdraws the balance stored in the housing provident fund account, it shall be verified by the unit where he works and a certificate of withdrawal shall be issued.

Workers apply to the housing provident fund management center for withdrawal of housing provident fund with the withdrawal certificate. The housing provident fund management center shall, within 3 days from the date of accepting the application, make a decision on whether to approve or disapprove the withdrawal, and notify the applicant; If the withdrawal is approved, the entrusted bank shall go through the payment procedures.