The invention provides a lottery processing system and lottery processing method, belonging to the technical field of the internet of vehicles. The lottery processing system comprises a lottery management system which is used for issuing two-dimensional code information about lotteries; and an intelligent vehicle unit which is installed in an operating vehicle, communicated with the lottery management system and used for receiving and displaying the issued two-dimensional code information about lotteries or printing real lotteries corresponding to the two-dimensional code information. The lottery processing system provided by the invention overcomes the problem that conventional lottery processing systems cannot be used on vehicles and has the following beneficial effects: the intelligent vehicle unit can sell lotteries anytime and anywhere via a mobile vehicle, so the situation of inconvenient layout of lottery ticket outlets is avoided and the application scope of the lottery processing system is broadened; and through rewarding a driver of the vehicle with lotteries and selling lotteries to passengers, the driver is more active in picking up calling-up passengers and the service quality of the driver can be improved.