First of all, inflation is caused by a large currency circulation and a small number of commodities. Simply put, more money and less goods are naturally expensive, so the money is worthless. The bank's interest rate hike is a way to deal with this, and more deposits are raised, which can reduce the domestic currency circulation to a certain extent, which can curb inflation to a certain extent, while the exchange rate of RMB against foreign currencies, mainly against the US dollar, It means that RMB is very valuable abroad, and it is the same at home. In this way, domestic prices remain unchanged, and the original export prices are the same, but exporting abroad is different. In foreign countries, the appreciation of RMB will affect China's exports, which will affect China's economic development.