Long-distance gas pipelines have the characteristics of large span and wide range,which brings great challenges to pipeline protection.As an emerging technology,UAV system can effectively solve the problems in the field of gas pipeline management with its advantages of flexibility,convenience and digital intelligence.This paper focuses on the application of UAV technology in the fields of pipeline inspection,leak detection,information collection,emergency monitoring,etc.,and also points out the shortcomings of UAV technology in practical application.