The change in interest rates always brings some impacts on our life. With the consumption power in China gradually grow up. People should get to know how some financial changes influence the daily lives and how can citizens react to take over it or even earn more benefits. Through the analysis of the American stock market, CPI and FED were summarized the main point to illustrate the reason why the Fed must change it and how the changes affect our life, and how to avoid some of the negative influences. With the market gradually recovering from the impacts of the Covid-19 Americans have been accumulating their interest rate lots of workers lost their job during that period, this paper investigates the so relationship between the interest rate and the unemployment rate. On top of that the price of necessity in that place also getting greater, it also analyzed what's the relationship between necessity and interest rate. This is not only a problem facing the United States, but also an area of greatest concern for people. The results suggest that interest rate hikes will continue and may lead to a more severe economic recession.