With the increasing of the role and value of intellectual property, secured financing for intellectual property has developed and has been emphasized. American guarantee system of intellectual property consists of federal statutes and state laws, and state laws adopt simple and efficient UCC system, however, federal statutes are lagging behind. But whether federal statutes should preempt state laws is unclear, as a result, the application of secured financing law is uncertain. This article analyzes the present situation as well as advantages and disadvantages of secured financing system of intellectual property in the US, introspects the relevant system in China and puts forward corresponding reform proposals.