(Home network wiring is not a problem that any decoration company or decoration engineering team can solve. I feel a lot about this. The author has encountered troubles many times when conducting computer network maintenance for home users. Many home network wirings are network wirings carried out incidentally in the decoration project, and there are many problems left without the guidance of professional network engineers. Such as: wrong order of network cables; wrong information module; some are even more outrageous, all colored network cables and white cables are connected into two strands, like two wires; the wiring design and strong electricity are combined together; poor data and many more)