The functions of taxi management system should include: vehicle reservation, emergency alarm calling function, operation supervision ability, vehicle alarm, information release, audio and video recording, big data computing ability, driver management, vehicle dispatching, service management, payment and settlement, etc. The Hefei taxi service management information system "Xin 'antong", which was designed, developed and put into operation by Anhui Lianyun urban traffic, has actually been put into operation for three years.