With the continuous advancement of 5G network construction, the performance requirements for 5G base station circuit boards are becoming increasingly stringent. Researchers have successfully overcome technical challenges and developed a new type of circuit board suitable for 5G base stations. This circuit board adopts special circuit design and materials, with lower signal loss and higher transmission rate, and can work stably in complex electromagnetic environments, ensuring efficient and stable transmission of 5G signals. At present, it has been piloted and applied in some 5G base stations, with significant results, providing technical support for the comprehensive optimization and upgrading of 5G networks.