Taxi sharing method and system

The invention provides a method and system which can automatically achieve taxi sharing and belongs to the technical field of taxi sharing. The method comprises the steps that taxi top information is shown at the taxi top through a sharing hint unit, the taxi top information comprises taxi sharing information and taxi running direction; if the sharing information shows that a taxi cannot be shared, a pricing unit is used for directly pricing traveled distance of a passenger; otherwise, a first processing unit is used for updating and recording the maximum sharing people number in the whole sharing process of each passenger and overall received sharing times in the whole sharing process of each passenger; a second processing unit is used for calculating the detouring distance generated according to the riding purpose of each passenger; a third processing unit is used for acquiring sharing cost of each passenger according to the maximum sharing people number, the sharing times and the detouring distance. The method and system solve the problems that currently no taxi sharing methods exist, different discounts of passengers cannot be reasonable computed, more discounts cannot reasonably be given to the passengers who share the taxi for multiple times, more discounts cannot be given based on multi-person sharing, and the win-win situation of passenger discounts and driver income cannot be achieved.