Food safety has become a hot issue recently, thus how to perform rapid, economic and reliable food safety test is very significant for the development of related industries and companies. In this article, the role of rapid detection techniques in food safety were introduced by listing food safety events. The new development of rapid detection techniques in the future were introduced, including immune colloidal gold technique & card reader, automation and broad field of enzyme linked immunosorbent assay, and precision of chemiluminescence immunoassay. It shows that the food safety rapid detections play very important roles in the surveillance of food safety.