This article will introduce some key points in gas supply designing of workshops in the aviation industry, which consist of compressed air, nitrogen, argon and other inertial gases. Calculating methods of these gases will be illustrated in detail and problems requiring attention in the designing process will also be analyzed, had great significance to gas supply system design of workshops in the aviation industry.%主要介绍了航空工业厂房气体供应的设计要点，包括压缩空气、氮气、氩气及其他惰性气体等，详细阐述了各种气体供应的计算方法，并对设计过程中需注意的问题进行了分析，对航空工业厂房的气体供应系统设计具有重要意义。
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