The invention discloses a wireless router stability testing system and method. The system comprises a broadband server, a simulative generator and a plurality of wireless routers, and further comprises a concentrator, wherein the simulative generator is connected with a network cable port of a computer, connected with the broadband server and used for virtually obtaining N wireless clients, network cable ports of the wireless routers are respectively connected to the broadband server, serial ports of the wireless routers are respectively connected with the computer and are in wireless network connection with the simulative generator, and the simulative generator is connected with the broadband server through the concentrator. According to the wireless router stability testing system and method, on the one hand, the testing environment can be simplified, and wireless testing terminal resources are saved; on the other hand, flow varieties between wireless terminal equipment and the wireless routers can be increased, the routers can be tested at the same time, and testing efficiency is improved.