1. The buyer and the seller establish information communication channels, and the buyer knows the overall situation and property rights of the house, and requires the seller to provide legal documents, including house ownership certificate, identity certificate and other documents.

2. If the house provided by the seller is legal and can be traded on the market, the buyer can pay the house purchase deposit (paying the house purchase deposit is not a necessary procedure for the sale of commercial housing), and the buyer and the seller sign a house sales contract (or a house sales contract). After the buyer and the seller reach an agreement on the location, property right, transaction price, delivery time, delivery method and property right disposal of the house through consultation, both parties shall sign at least three house sales contracts.

3. The buyer and the seller apply to the real estate transaction management department for review. After the buyer and the seller apply to the real estate management department, the management department shall examine the relevant documents, review the property rights, and grant the transfer procedures for the houses that meet the listing conditions. If there is no property right or some property rights without the written consent of other property rights, the application will be refused and the listing transaction will be prohibited.

4. Contract. The real estate transaction management department shall, according to the property right status and the purchase object of the transaction house, report to the transaction department for approval step by step according to the approval authority set in advance, and both parties to the transaction may go through the formalities for signing the deed. Now Beijing has cancelled the sales contract of real estate in the transaction process, which is also commonly known as "white deed".