(Mikrotikrouteros is a kind of routing operating system, which turns the standard PC into a professional router through the software. It is constantly updated and developed in the development and application of the software. The software has undergone many updates and improvements, so that its functions are constantly enhanced and improved. Especially in wireless, authentication, policy routing, bandwidth control, firewall filtering and other functions, it has a very prominent function. Its high cost performance has been favored by many network people. Routeros has most of the functions of the existing routing system, and can be used for the access of Internet cafes, enterprises, small ISP access providers, communities and other network devices. It is a PC based on standard x86 architecture. A 586pc can realize the routing function. Improving the hardware performance can also improve the access speed and throughput of the network. It is a low-cost and high-performance router system)