The utility model discloses a novel automatic communication system of transformer substation, including the graphoscope, the bottom of graphoscope is provided with the tray, one side of graphoscope isprovided with the data line, and graphoscope and data line pass through the block and connect, one side of data line is provided with computer, and data line and computer pass through the block and connect, computer's front surface is provided with optical disk drive, optical disk drive's top is provided with the host computer on & off switch, a receiver has been designed, be connected through block and ethernet exchanging ware box body, inside is equipped with the grid, there is individual hole between the grid, make things convenient for the line of interchanger to place, the receiver can make things convenient for placing of interchanger and net twine on the one hand, on the other hand can protection against insects moth damaged by rats and dustproof, a net twine coiling mechanism hasbeen designed, net twine rolling at ordinary times together, the during operation can be stretch according to the length needs, it places well to set up the net twine like this, can not be mixed and disorderly.