The invention discloses a high-quality house selling system which comprises a project preparation unit, a selling site unit, an online house selection unit, a selling background unit, a manager officeunit, a financial management unit, a report management unit, a system management unit, an office automation unit, a mobile phone APP unit and a citizen marketing unit which are connected with one another. The selling site unit is used for establishing a push-sales scheme, operating to receive/transfer/withdraw honesty money, registering a client, inquiring a house resource, printing a business plan, selecting a house, printing subscription books, renaming the operation, operating to transfer the building, operating to withdraw the building, managing subscription and editing decoration money;the online house selection unit is used for logging in to verify an account through a WeChat platform, collecting intention houses, quickly buying houses by one key and reserving signing time after successful house buying; and the selling background unit is used for handling contract renewal procedures, handling gang processes and handling property rights and certificates. The system has multiplefunctions, can meet the requirements of users on the multiple functions, and enhances the user experience.