The high-reliability diesel fire pump system integrates a diesel engine, main fire pump, pressure stabilizing pump, and intelligent control system. It has advantages such as automatic start-up, continuous water supply, stable pressure, independent power, multiple safety protections, and remote monitoring. It is widely used in large buildings, industrial parks, petrochemical plants, data centers, airports, ports, and municipal fire protection projects, providing a highly reliable and efficient overall solution for fire water supply in modern fire protection systems.