The invention relates to the field of automatic test of network communication equipment, and discloses a networking system capable of automatically testing environment. The system comprises multiple pieces of test equipment and a switch, wherein the test equipment is used for testing the various kinds of network communication equipment, and each kind has the multiple pieces of test equipment; the switch is connected with each test equipment, and used for distributing test equipment to network communication equipment to be tested based on test requirements of the network communication equipment to be tested, and the test equipment distributed to the network commutation equipment to be tested and the other test equipment not distributed to the network communication equipment to be tested belong to different broadcast domains; each test equipment comprises a plurality of ports, each port is corresponding to a port working condition and a port number, and the port working condition comprises in use and unused. According to the system and the method provided b y the invention, a usage rate of test equipment resources can be effectively improved.