ISEE graphic sign visual inspection system adopts line-array image sensor (CIS) scanning technology, the main components are all integrated in a square box, small volume, with LED light source, no additional optical accessories, no adjustment of light path and depth of field and other problems, especially suitable for use in planar materials. The host box can be easily integrated with TTO thermal transfer printer, high resolution printer, labeling printer and other identification equipment. Detection content mainly includes production date, shelf life, batch number, product name, team number, variable bar code, two-dimensional code, etc.