Exchange 52 and exchange 53 are concepts in foreign exchange rate, but their meanings and calculation methods are slightly different. The exchange rate of 52 refers to how many US dollars RMB in 52 yuan can be exchanged at today's foreign exchange rate. This is a method to judge the foreign exchange rate by the ratio. A small number means that the proportion is low and the fluctuation is not obvious. The meaning of exchange 53 is similar to that of exchange 52. It refers to how many dollars RMB in 53 yuan can be exchanged at today's foreign exchange rate. Compared with 52 exchange rate, 53 exchange rate is bigger, so 53 exchange rate is more valuable than 52 exchange rate.