Non-destructive testing methods can detect objects without causing damage and provide comprehensive testing.Pipelines have high requirements for testing methods,it is necessary to conduct comprehensive testing of pipelines without damaging them and minimizing interference with their operation.In recent years,voiceprint recognition technology has been increasingly used in industrial testing,and this technology can well meet the requirements of non-destructive testing for pipelines.This article introduces the principle of voiceprint recognition technology and its implementation in pipeline testing,combined with practical cases,and provides a detailed explanation of its different application methods in pipeline testing.