Legal analysis: the second mortgage of real estate refers to the collateral that is mortgaged again to obtain a loan from a specific lender. The second mortgage of real estate is characterized by not paying off the previous loan, but directly re-mortgaging to get the loan again, which saves many intermediate links such as the time and cost of advance payment. The second mortgage of real estate should be quality housing and commercial housing with great market development potential.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 209 The establishment, alteration, transfer and extinction of the real right of immovable property shall take effect after being registered according to law; Without registration, it will not take effect, except as otherwise provided by law.

Natural resources owned by the state according to law may not be registered.

Article 210 The registration of immovable property shall be handled by the registration institution where the immovable property is located.

The state implements a unified registration system for real estate. The scope, organization and method of unified registration shall be stipulated by laws and administrative regulations.