Customers can conduct online settlement and purchase of foreign exchange through online banking as long as they open a current all-in-one account or debit card at BOC outlets in the above pilot areas and apply for BOC online banking wealth management version or VIP version. There are 9 currencies for the settlement and sale of foreign exchange through online banking in China Bank, including British pound, Hong Kong dollar, US dollar, Japanese yen, Canadian dollar, Australian dollar, Euro, Swiss franc and Singapore dollar. During the transaction, BOC Online Banking also provides the information of the bank's foreign exchange quotation for customers' reference, so as to facilitate customers to know the latest exchange rate. The query function of online banking is also very convenient. Customers can immediately inquire about the details of the foreign exchange settlement and sale business handled through online banking, and can also inquire about the changes of the used amount and remaining amount of foreign exchange settlement and sale at any time. Online banking also keeps a record of customers' foreign exchange settlement and sale transactions within one year, which can be queried through the "service record" function. The opening of online banking foreign exchange settlement and sale business not only facilitates customers, but also gives customers the opportunity to fully understand the process of bank foreign exchange settlement and sale business and learn some foreign exchange business knowledge while enjoying self-service.