In modern software development, system performance optimization and resource management are always one of the key concerns of developers. When dealing with a large number of objects or high-frequency creation and destruction operations, the consumption of memory and computing resources is particularly prominent. In order to solve this problem, the Flyweight Pattern came into being. This article will deeply analyze the concept of the Flyweight Pattern, the difference from other similar patterns, the problems it solves, the application in actual development, and the precautions, and show its implementation through a specific example in Golang. What…