一、问题之提出 自国有土地使用权进行有偿转让制的改革以来，我国的房地产事业取得了极大的发展。随着房地产市场日趋活跃，交易双方当事人之间的纠纷也大量涌现，尤以“一房二卖”问题突出。一房二卖即出卖人与买受人订立房屋买卖合同后，于登记前又与第三人就同一房屋订立买 First, the question raised Since the reform of the system of paid transfer of state-owned land use rights, China’s real estate has made great development. With the real estate market becoming more and more active, disputes between the two parties to the transaction have also taken place in a large amount. In particular, the problem of “selling one room and two shops” is outstanding. One room two sale is the seller and the buyer after the completion of the sale and purchase contract, before registration with a third person on the same house to buy