international economic environment.① international capital flows,affecting domestic interest rates by changing our country's money supply.;② the level of interest rates in our country also has something to do with the international impact of commodity competition;③ china's interest rate level ** also connected with the country's foreign exchange reserves the amount of and the use of foreign policy. capital supply and demand situation.when the **erage profit margin set,the interest rate changes will depend on the **erage profit for the div**ion of interest and the proportion of corporate profits.the ratio of loan capital from both the supply and demand determined through competition. in general,when the loan capital are in short supply,both lenders and borrowers to promote the competition results will promote r**e of interest rates;on the contrary,when an over-supply of loan capital appears,the result of competition will inevitably lead to a decline of interest rates. in china,under market economy conditions,because as a financial commodity in the market"price"-interest rates,like other commodity prices which are affected by the same law of supply and demand constraints,thus the supply and demand conditions on the funding level of interest rates still play a dec**ive role.