This machine integrates vertical light inspection and vertical labeling into a tray design, with advanced functions, simple operation, compact structure, and fast speed (taking 10ml oral liquid as an example, it can reach 400-600 bottles per minute), high detection accuracy (visible foreign object detection is as small as 0.5mm), no labeling for unqualified products, no labeling for non-existent products, and automatic classification of unqualified and qualified products. The labeling accuracy is ± 0.5mm.