The shelf area is the main body of supermarket goods display, which needs both horizontal and vertical lighting. In order to let all goods have enough opportunity to be chosen by the customer, appropriate and comfortable illumination is its important guarantee. Therefore, shelf area lighting is the best embodiment of lighting technology. Placed in the aisle of the shelf area, enough to illuminate the opposite shelf, and the illumination distribution is uniform, so as to ensure that the shelf area from the top to the bottom are bright and fresh.