The audit of the production cycle is the most complex and time-consuming. Almost always, it has its own characteristics, depending on the nature of the industry and business of each client. In addition, basically all sources of audit evidence are internal documents created by the economic entity itself, which, in accordance with audit standards, reduces their value for audit. Therefore, for a successful inspection of the production cycle, a good understanding by the auditor of the essence of the production process and its technological features, as well as visual familiarization with production shops and lines, and warehousing are especially important. The article discusses the nature, content, concept of the audit of the production cycle, the duration of the production cycle, the need to take into account the production cycle, the goals and objectives of the audit of the production cycle. The purpose of this scientific article is to disclose the features of the audit of industrial enterprises as a tool to increase their economic security, determine its structure, stages of the sequence, key functions and tasks.