Double-limit refers to the "double-limit" policy of restricting purchases and loans issued by the "New China Ten Articles" in April, 20 10, that is, it refers to the policy of restricting some people or institutions from buying houses and restricting some people from buying loans to limit non-owner-occupied real estate speculation. Double recognition refers to the "double recognition" policy introduced in early June of 20 10. The Ministry of Housing and Urban-Rural Development, the People's Bank of China and the China Banking Regulatory Commission jointly issued a notice to standardize the second set of housing identification standards in commercial personal housing loans, "recognizing housing and recognizing loans", and also stipulated the conditions for differential treatment of loan interest rates.