This paper discusses the application and optimization of automation technology in the manufacturing industry,focusing on the application of robotics,automated production lines,intelligent manufacturing in the manufacturing industry,as well as the optimization of automated processes,data-driven,sustainability and environmental protection.The study found that automation technology plays a key role in manufacturing,improving production efficiency,product quality,and supporting environmentally friendly and sustainable production.These findings will help guide the future development of manufacturing and promote technological innovation and industrial progress.