Wireless internal communication system based on IP network

The invention discloses a wireless internal communication system based on an IP (Internet Protocol) network, which comprises a host, a sub-machine, a wireless base station and an antenna extension feeder lengthened antenna, and the host, the sub-machine, the wireless base station and the antenna extension feeder lengthened antenna can be wirelessly communicated with one another through built-in transmission chips; a detachable guide supporting plate is arranged on the outer surface of the main machine, a supporting component capable of moving left and right is arranged on the upper surface of the guide supporting plate, and a first connecting plate with one end arranged on the supporting component is arranged in front of the main machine. According to the wireless internal communication system based on the IP network, through the arrangement of the second extrusion stabilizing part and the first extrusion stabilizing part, an access circuit connected to the host can be fixed, and meanwhile through the arrange