1. Controlling interest rates is conducive to promoting economic development, preventing excessive interest rates from adversely affecting the economy, and ensuring the stable income of financial institutions;

2. Control interest rates to curb serious inflation;

3. Protect the interests of lenders. The financial industry often has a strong monopoly nature. Without the upper limit of loan interest rate control, commercial banks may conspire to set high market interest rates, increase social financing costs, damage the enthusiasm of investors and affect the overall economic development speed.

Interest rate control is the relevant system regulation of the state to manage the interest rate in the financial market in order to regulate the economic operation, and it is a very important content of interest rate policy.