One is to affect exports, because the appreciation of RMB will inevitably lead to the increase of production costs of manufacturing enterprises, and the increase of production costs will be attached to product prices, so commodity prices will increase and competitiveness will decline. Second, it is conducive to expanding consumption in the United States and promoting China people's consumption in the United States. Due to the appreciation of RMB, RMB will be more valuable, which will promote China people to spend abroad, which will help the United States to increase employment rate.