For the trend of small and intelligent of the device, this article proposes design of image capture and transmission system based on ARM S3C2440 microprocessor and embedded Linux operating system. This article describes how to build the hardware and software platform of the system, and focuses on the software design of image capture and transfer. The system is essentially a server that provides a monitoring function. It enables realtime video images displayed on the LCD, in addition, the users can view the captured video images over the network on the PC. System tests show that the system is stable, low cost, low power and portable, it can be applied to industrial control, automotive electronics and other fields.