This paper explains the influences of assets securitization on money market from four aspects: (1) assets securitization may ease money supply; (2) assets securitization may speed up money circulation and decrease equilibrium interest rates in money market; (3) assets securitization reinforces the actual effects of short-term interest rates on long-term interest rates; (4) assets securitization has some influences on the validity of money supply which is the intermediate goal of monetary policies.