人工智能是计算机学科的一个重要分支,近年来由于计算机技术的发展,人工智能学科也得到了很好的发展。机器学习是人工智能的一个核心部分,本文对机器学习的背景、其研究现状以及其在网络入侵检测、文本分类、数据挖掘方面的应用进行了研究。 Artificial intelligence is an important branch of computer science. In recent years, due to the development of computer technology, artificial intelligence has also been well developed. Machine learning is a core part of artificial intelligence. This paper studies the background of machine learning, its research status and its application in network intrusion detection, text classification and data mining.