Lateral chromatography technology is a new type of in vitro diagnostic technology developed in the 1990s based on monoclonal antibody technology, colloidal gold immunochromatography technology, and new material technology. It has the advantages of fast, simple, single sample detection, and economy. It has been widely used in medical testing, food quality monitoring, environmental monitoring, agriculture and animal husbandry, entry and exit inspection and quarantine, forensic decision-making, and other fields.