In the foreign exchange field, we can do a lot of currencies, such as Europe, British Pound, Japan, Canada, etc., but for the participants, no matter what currency you have on hand, doing foreign exchange has no effect, we enter the market to trade as long as the currency You can make a margin trading by depositing it in the bank. However, it is also necessary to enter the market to make foreign exchange knowledge based on investment. This time, we mainly introduce the trading varieties in the foreign exchange. 1) Australia/US. It is a very good currency pair and can be traded 24 hours a day. In the Asian time zone, Australia can guarantee that this currency pair can have trading activities during this time, so the bid-ask spread will not deteriorate. 2) Beauty / Plus. This currency pair is caused by cross-border investment and transactions, and Canada accounts for a large proportion of the other party's transactions. In the time zone, this currency pair has the highest liquidity, and in addition to the loss, the liquidity is also low. The US/Canada is used for speculative activities on oil at a macro level, with little fluctuation in a single day, but long-term investment is a good choice. 3) New / beautiful. Compared with Australia, the economy is smaller and the liquidity is lower, but the interest rate is higher than that of Australia. Therefore, traders generally buy and sell New Zealand for carry trades. 4) Euro / Swiss franc. This currency pair tends to range up and down, and is an ideal currency pair that adopts an interval trading strategy to make a difference in profit. Trading spreads in Europe and time zones are better. 5) Euro/GBP. Similar to Euro/Swiss Lang, it is smaller on a single day. In Europe and on the field, both liquidity and spreads are excellent, and in the Asian market, the spread is spread and the liquidity is low. 6) Other days Cross. The day is the currency most frequently borrowed for carry trades in the world. Most of the daily crosses are used for carry trades. The fluctuations in the bid-ask spreads are large and generally suitable for macro speculation. 7) Emerging currency field. It is only suitable for trading in the relevant time zone, making long-term investments in specific countries and commodities, and is not suitable for large-value transactions in a short period of time. 8) Nordic currency. Traders should look at these currencies in the same way as emerging markets. The only difference is that these economies are more stable and less risky.