An epilepsy EEG processing system designed based on Independent Component Analysis (ICA) is introduced in the paper, in order to meet the requirements of epileptic screening in clinical medicine. The system adopts module structure and virtual instrument technology, its hardware is mainly configured in the signal-detecting box, data are exchanged between the box and the notebook computer or personal digital assistant (PDA) through certain digital interface, and ICA is executed in the notebook computer or PDA. The virtual EEG processing system based on ICA is able not only to perform ICA algorithms easily, but also to improve the developing efficiency greatly, and it is suitable for disease screening on a large scale.