本文认为行业的定义非常重要,行业的定义非常重要。它不仅涉及到企业的行业归属问题,还涉及到相关法律法规及统计数据的有效性。所以行业的定义必须是官方的,以保证其严肃性。从美国对建筑涂料行业的定义来看,联邦和地方是有所区别的。地方定义包括了用于移动建筑的涂料而联邦没有。由此可见,美国对一个行业的定义是不同的。行业定义不同必然导致行业标准不一,进而阻碍行业的发展。 This article considers the definition of the industry is very important, the definition of the industry is very important. It not only relates to the ownership of enterprises in the industry, but also involves the relevant laws and regulations and the validity of statistical data. Therefore, the definition of the industry must be official to ensure its seriousness. From the United States on the architectural coatings industry’s definition of view, the federal and local differences. The local definition includes the paint used to move the building while the federal does not. From this we can see that the definition of an industry in the United States is different. Different industry definitions inevitably lead to different industry standards, thus hindering the development of the industry.