The invention discloses a measuring instrument recycling and sorting system based on Internet of things technology. The measuring instrument recycling and sorting system comprises hardware equipment, industrial control equipment and a sorting system managing module. The hardware equipment comprises a feeding assembly line, a feeding module, a feeding mechanical arm, a meter box conveying line, a transverse moving and positioning sliding table, a verification feeding and discharging mechanical arm, a verification module, a verification discharging region, an image recognizing device, a label sorting machine, a sorting cylinder, a sorting temporary storage line, a qualified meter line, an unqualified meter line, a scrape line, a meter box mechanical arm and a discharging region. According to the measuring instrument recycling and sorting system, by means of the sorting system managing module, the automatic control technology and the automatic detecting technology, state collection and real-time monitoring of dismounted and withdrawn meters can be achieved, and managing and feeding back of various events are achieved. The sorting system managing module is connected with a state grid marketing business system, and unified management of the dismounted and withdrawn meters is achieved.