ICBC's savings card can't buy foreign currency, because you don't have a foreign currency account, so you can buy it. The condition for purchasing foreign currency bills is that foreign currency bills must be freely convertible foreign exchange with foreign exchange quotation published by the State Administration of Foreign Exchange. The issuing bank must have correspondent relationship with China Industrial and Commercial Bank to identify and check the seal. In principle, the holder must open a foreign currency account in China Industrial and Commercial Bank in order to exercise the right of recourse. The paying bank must be in the country where the bill belongs and can immediately transfer the money to the account of Industrial and Commercial Bank of China.