The first suite means buying only one set of housing. The People's Bank of China stipulates that urban residents in China can enjoy preferential mortgage interest rate when purchasing the 1 house. The so-called "first suite" must meet three conditions at the same time: the buyer 18 years old; The house you bought is an ordinary house of 90 square meters or less (ordinary houses of 90 square meters or less enjoy preferential deed tax rate1%); There is no house purchased alone or jointly with others under the name of the purchaser. However, housing purchased with parents, purchased in accordance with the housing reform policy, and acquired through inheritance or demolition and resettlement are excluded.