This network library is implemented in Java using the Netty framework and incorporates the KCP (KCP algorithm) for ensuring the reliability of UDP communication. Additionally, the library integrates FEC (Forward Error Correction) implementation to enhance the fault tolerance and stability of data transmission. This makes the network library excel in scenarios such as gaming, video streaming, and acceleration of various business applications. Users can effortlessly integrate the provided .zip file into their projects to harness efficient UDP communication capabilities. The design goal of this network library is to provide a reliable data transmission solution without compromising performance.