Legal basis: Article 32 of the Measures for the Administration of Urban Real Estate Mortgage shall submit the following documents to the registration authority: 1. The identity certificate or legal person qualification certificate of the mortgagor; 2. Application for mortgage registration; 3. Mortgage contract; 4. State-owned land use right certificate, house ownership certificate or real estate certificate. Part of the house, but also to submit the housing ownership certificate and other * * * people agree to mortgage; 5. Documents and certification materials that can prove that the mortgagor has the right to set mortgage; 6. Information that can prove the value of mortgaged real estate: 7. Other documents deemed necessary by the registration authority.