Convenient self-service terminal is the development trend of urban life; Chinese population is higher than the foreign cities, There are some paying financial behaviors - such as water fee, electricity fee, gas fee, phone charges, traffic travel fee, bus card recharge, transfer payments and so on, to go to the various units to pay, some bank or postal savings as a payment window. But the banks limited hours, heavy workload authorization process cumbersome, many issues such as the number of contributory cause people to pay difficultly .Appearing convenient self-service terminal only solves the problem of the public contribution. Therefore, self-service terminals arises. The Tranosun products can be applied to the self-service terminals.