The invention relates to the technical field of real estate registration systems, and specifically relates to a real estate registration system and a real estate registration method. The system comprises a mobile terminal subsystem, a real estate business integrated service subsystem, a real estate enterprise management subsystem, a data analysis subsystem, a face authentication system and a datainterface. User through mobile terminal subsystem, the real estate business integrated service subsystem provides a real estate registration application; the data analysis subsystem reads data of eachdepartment through a data interface; including a residential building department, Data of a local tax department, a civil government department, an industrial and commercial department, a public security department and the like automatically handle related real estate registration services, mechanisms of real estate registration service online acceptance, online audit, offline registration, online reservation, immediate access and the like are achieved, real estate registration services do not need to be melted for 24 hours, the working efficiency is improved, and the service handling cost isreduced.