The effective implementation and continuous optimization of network security protection measures have pro-found significance for preventing potential network attacks,protecting user privacy,and maintaining national energy secu-rity.Based on this,the article conducts research on network security protection measures under the smart grid system,explores network security protection issues under the smart grid system,and provides network security protection meas-ures under the smart grid system.The aim is to provide theoretical support and practical guidance for network security protection of the smart grid through the article's research,and promote continuous innovation and improvement of smart grid technology.