Abstract: In order to enrich the mode of ticket payment for passengers and improve the travel experience, it is necessary to introduce the mobile payment function into the subway Ticket Vending Machine(TVM) system. This article analyzes the software system framework of Metro vending machine, designs the function of mobile payment, and puts forward the combination form and workflow of mobile payment and Metro vending machine. The Internet Ticket Vending Machine designed according to this scheme is applied to the Nanjing Metro Auto Fare Collection system, and the feasibility of the scheme is verified through testing and acceptance. It has a certain reference value for the development of the mobile payment function of the Ticket Vending Machine in other cities.

Key words: auto fare collection(AFC), Internet ticket vending machine(ITVM), mobile payment