Legal analysis: For families who buy a second home by loan, the down payment ratio of the second home is not less than 70%, and the interest rate of the second home loan is not less than 1. 1 times of the benchmark interest rate. Branches of the People's Bank of China may, according to the price control objectives and policy requirements of the local people's government for the new second home, raise the down payment ratio of the second home loan and the interest rate of the second home loan on the basis of the unified national credit policy.

Legal basis: Article 6 of the State Council's Opinions on the Reform and Development of Insurance Industry stipulates that the down payment ratio of loans shall not be less than 30% for families (including borrowers, spouses and minor children) who purchase the first set of self-occupied housing and whose housing construction area is over 90 square meters. For families who buy a second home, the down payment ratio of the loan is not less than 60%, and the loan interest rate is not less than 1. 1 times of the benchmark interest rate. All localities can suspend three sets of mortgages according to the actual situation.