Edge Inspection System which is to promote and improve productivity of production line is early detection equipment of physical defects on the materials near panel edge, corner areas and surface areas before and after grinding. The quality of panels is being monitored by measuring and inspecting the following defect items: dimension, burr, broken, chipping, etc. In addition, the defected materials are separated to prevent from being transferred into the next following process. This system reduce overall repair costs and increase production efficiency.