This course is designed to help learners master how to use Go language to implement GraphQL services. The course starts with the basic knowledge of GraphQL, and deeply analyzes the characteristics and advantages of its data query language. Then, combined with the characteristics of the Go language, it explains in detail how to build a GraphQL server, process requests, define data patterns, etc. Through rich practical cases, learners will learn how to integrate GraphQL in actual projects to improve the flexibility and efficiency of data interaction. The course is suitable for developers with a certain foundation in Go language and is a must-have for building efficient and modern APIs.