Abstract:Linux System has a wide range of hardware platform, stable kernel code, rich application software, good network interface, etc. It has become focus in the field of embedded research. Interrupt management is one of the embedded operating system cores. It is the key to improve the drive to take good use of interrupting in device driving program. The paper analyzes framework and process of interrupt handling technology in Linux system, discusses the interrupt migration and application points of embedded Arm-Llnux in detail.