1. Go to the bank counter: You can open a US dollar deposit account at the local bank counter. Under normal circumstances, the bank will ask you to provide identity documents, tax certificates, asset certificates and other materials, and at the same time, you need to pay certain formalities fees.

2. Online account opening: You can also choose to open a US dollar deposit account online, which needs to be operated on the bank official website or the mobile banking APP. The opening process is generally similar, and it is necessary to provide relevant information such as identity documents.

3. Foreign exchange trading platform: If you want to conduct foreign exchange trading or investment, you can consider buying US dollars on the foreign exchange trading platform. However, this requires a certain knowledge of foreign exchange trading and risk awareness, and it is not recommended for beginners to try.