The traditional method of distributing variable oil level monitoring suffers from the problems of large human resources investment,poor real-time performance,and difficult data processing,and a new technical solution is urgently needed to solve these challenges.The main objective of this study is to design and realize a distribution substation oil level monitoring system based on multi-dimensional sensing and cloud platform technology,which adopts a research method combining system design and experimental verifi-cation.The experimental results show that the smart oil level meter and cloud platform system performs superior in terms of measure-ment accuracy,service life,and fault response time compared to the traditional oil level meter and manual detection system.In con-clusion,this system has achieved significant improvement in real-time,accuracy and data processing capability,providing an effi-cient and reliable solution for distribution substation oil level monitoring.