At present, the foreign exchange systems of all countries in the world do not allow private enterprises to operate and manage. There are three main types:

1, comprehensive management, that is, the management of foreign exchange receipts and payments under current account and capital account, and the exchange rate is also determined and adjusted by the government, and there are often multiple exchange rates.

2. Partial management, that is, the foreign exchange receipts and payments under the current account are not controlled or basically not, but the foreign exchange receipts and payments under the capital account are still controlled, and the exchange rate is changed from multiple exchange rates to a single exchange rate determined by the market.

3, basically regardless of type, that is, the foreign exchange receipts and payments of current account and capital account are not subject to universal and regular control, and the exchange rate has been completely marketized.