The invention relates to a taxi sharing system and a taxi sharing method utilizing the taxi sharing system. The taxi sharing system comprises a plurality of taxi terminals, an information server and a plurality of passenger mobile terminals, wherein each taxi terminal comprises a first control module, a register and login module connected with the first control module, a taxi information releasing module and the like, the information server comprises a second control module, a user verification module connected with the second control module, a taxi information receiving module and the like, each passenger mobile terminal comprises a third control module, an ID serial number collecting module connected with the third control module, a coordinate position collection module and the like, and the modules are in wireless communication. The invention further provides the taxi sharing method utilizing the taxi sharing system. According to the taxi sharing system and the taxi sharing method, passengers and taxi drivers do not need to make phone calls to make contact with each other, the privacy of phone numbers of the passengers and the taxi drivers is protected, and the taxi sharing system is simple in program and convenient to operate and has the advantages of real-time performance, timeliness and rapidness.