PURPOSE: To reduce the number of products waiting for inspections to improve the throughput by changing the inspecting contents of inspection devices in accordance with the kind of the products and allocating the products to the inspection devices after reading the kinds of the products.

CONSTITUTION: This inspection system is constituted of a manufacturing process 11, product buffer 12, carrying path 12, plural inspecting devices 141-14n, bar code reader 1, and inspection system control section 2 constituted of a microcomputer incorporating a product kind storing means 21, inspecting device selecting means 22, and carrying path switching instructing means 23. The kinds of different kinds of products successively manufactured in the process 11 are successively read by the reader 1 and sent to the buffer 12 in the order of manufacture. In addition, the control section 2 notifies the inspecting device indicating the completion of inspections of the devices 141-14n of the read 1st product kind and sends a switching instruction to the path 13 so as to carry the product to the devices 141-14n.