垄断是一个使用频率颇高的词语，无论是西方经济学还是马克思主义政治经济学都把垄断作为重要的研究对象。而反垄断也一直是近现代资本主义国家经济法的根本任务之一。然而，在不同学科、同一学科的不同学派中，垄断有着不同的含义。明确不同范畴内垄断的概念，是制定《反垄断 Monopoly is a high frequency of use of terms, both Western economics and Marxist political economy monopolized as an important research object. Antitrust has also been one of the basic tasks of economic law in modern capitalist countries. However, in different disciplines, different schools of the same subject, monopolies have different meanings. To clarify the concept of monopoly in different areas is to formulate “anti-monopoly.”