With the rapid development of China's modern science and technology, China's electronic automation technology has been better applied. It is of great value to efficiently promote the improvement of China's mechanical and electrical automation technology. The author discusses the implementation of mechanical and electrical automation technology and pre control mode, and simply explores and discusses the development of electrical automation and its application in mechanical facilities. This paper studies mechanical and electrical automation technology and control, and briefly explores and expounds the development status of electrical automation and its application in mechanical equipment. It is committed to continuously improving the reliability of relevant facilities and promoting the improvement of mechanical and electrical automation level in China.