Since July 21,2005,based on market supplies and demands, our country has adopted a floating exchange rate system to regulate and manage a basket of currencies. The conversion rate between RMB and US dollar has increased 2%, which will float within a certain range. This paper will explore through theory and practice, analyzing the influences on common people resulted from appreciation of currencies. Through the way of combining econometric model into theory analysis，the paper analyze problem from two stages of short-term and long-term. The paper explain that common people will not be significantly affected in a short period of time. However, there will be a considerable negative influence from long-term view. This article will bring forward corresponding options and proposals regarding to this issue.
