Abstract: With the rapid development of social economy, China's communication field has also been considerable development, mobile communication has entered the lives of thousands of households. At this stage, mobile 4G communication technology has been widely used in people's production and life, and China's communication technology personnel are committed to the application of 5G technology. However, in the construction process of mobile communication core network, due to the characteristics of strong specialization and high risk, the construction unit is easy to encounter some communication technology problems in the actual construction process. Only through collaborative management with the supervision unit can the overall quality and progress of mobile communication network construction be effectively ensured. In view of this, this paper focuses on the specific application of supervision in the construction of mobile communication core network, for reference.