Electrogastrography (EGG) is the cutaneous recording of the myoelectrical activity of the stomach using surface electrodes and it is more and more attractive due to its noninvasiveness. It has been used in medical research and clinical diagnosis. It is evident that with the use of this noninvasive measurements of gastric electrical activity(GEA) that we can diagnose gastric dysfunction. In this article, record, analysis, application and trend of EGG are reviewed.