Taking action against the market and raising the foreign exchange reserve ratio is tantamount to asking commercial banks to hand over their dollars to the central bank for freezing. Accordingly, the amount of foreign exchange loans available to the former will decrease, and the foreign exchange liquidity in the market will also decrease in the same period, thus directly pushing up the onshore dollar, indirectly affecting the offshore dollar interest rate, and at the same time lowering the RMB exchange rate.