USD is the code name of USD, which means "USD". The dollar is widely used in international transactions. For payment, USD means trading in dollars, that is, settlement payment in dollars. As one of the world's major reserve currencies, the US dollar plays a very important role in international trade and finance and is widely used.

The trading characteristics of the US dollar are mainly manifested in its globality and liquidity. As one of the most important reserve currencies in the world, the US dollar has a huge transaction scale and can circulate rapidly around the world, regardless of national boundaries. In addition, the US dollar is one of the currencies with stable global value, with relatively small exchange rate fluctuation and relatively low risk, which has an important impact on international trade.

For transnational transactions, the main payment methods in US dollars are bank telegraphic transfer, letter of credit payment, check, draft and so on. Bank wire transfer is the most common, suitable for large payment; Letter of credit is widely used in international trade, that is, the buyer issues documents to the seller through the bank to ensure the safety of the payment process; Cheques are suitable for small payments, which is relatively convenient and simple. For US dollar payment, different payment methods can be selected according to different transaction needs.