Comprehensive measures are being implemented aimed at ensuring the comprehensive integration of production enterprises into world markets, increasing the quality and competitiveness of manufactured products, improving the quality management system and product production processes. This article discusses the main essence of the analysis of production processes at engineering enterprises based on statistical methods and the possibility of improving the effectiveness and efficiency of processes based on the fulfillment of the requirements for them. Statistical control of processes by monitoring the description of processes and products, focusing the possibility of processes on the creation of a quality product with a uniform demand, identifies the working procedure for managing the processes of constant production technology and allows to increase the efficiency of the process possibility. Statistical process control is not about checking whether parts are in good condition or not, but about anticipating and trying to prevent the production of poor quality parts. This is done by using control charts as a predictive tool to identify potential inconsistencies.