The technical scheme of the invention comprises a 
bus card transaction settlement 
management system and a method thereof. The 
system includes a vehicle-mounted terminal, a 
payment medium and a background transaction 
system. the vehicle-mounted terminal reads the 
payment medium, retrieves the 
payment medium in the black-gray 
list, then sends a transaction request to the background transaction 
system, creates an order; the settlement system modifies the account balance according to the content of the transaction order, sends a 
list updating instruction to the card 
management system, and sends the updated 
list data to the vehicle-mounted terminal. The beneficial effects of the invention are as follows: the paint has good effects; the trouble of recharging a traditional 
bus card is saved; Usercan use 
mobile phone APP, The 
mobile phone mobile terminal application such as a 
public account or a small program can complete recharging and know the balance of the online account corresponding tothe 
bus card and the bus taking transaction condition in real time, and the black-gray list mechanism reduces the loss caused by the loss of the user card, inconvenience caused by insufficient balancein the card, inconformity between the 
card holder and the bus card type and the like.