The quality audit of a product serves to evaluate the accordance of its quality characteristics with customer's requirements or specified in references documents. On this occasion the reference documents are verified, in order to establish if these are prosper to achieve the stipulated objectives in the domain of products quality. The audit is not a simple examination of product's quality, but it is an effective quality measure concerning the respective product. Based on the results of quality audit it can settle necessary improvement measures. The process quality audit serves to evalute the accordance of the process with customer's requirements or with specified requirements in the references documents. In order to establish if the reference documents are proper to achieve the stipulated objectives, these documents are verified, just like in the case of the quality audit of product. The quality audit of a process present also the effective measures to ensure the quality of the process, establishing the necessary corrective and improvement measure. In order to perform the quality audit of the product/process, the procedures of quality system, the specification of the product, the documents, the manufacture and inspection means, the documents concerning the development, supervision and inspection of the process and also the requirements which refer to the qualification of the involved personal are verified.