The invention relates to the technical field of automotive electronics and particularly relates to an online and offline combined riding system and method for a taxi. Based on method, the system comprises a taxi terminal. The taxi terminal is used for obtaining the passenger carrying state of a taxi. When the taxi is in an empty state, the taxi terminal is used for receiving on-line orders or off-line passengers, the taxi terminal is used for receiving off-line passengers to share when a first passenger needs to share with other passengers, and the taxi terminal is used for sequentially charging according to the getting-on sequence of the passengers and respectively displaying the fee of each passenger on the taxi terminal. According to the invention, the problem that a taxi cannot realizecombined riding in a real sense is solved.