Abstract: In view of the problems of unprotected network links, service blockage, low operation and maintenance efficiency, and video transmission quality in the bearer network of Baode Coal Mine, the F5G (The 5th Generation of Fixed Network) all-optical industrial network architecture is designed and developed.By combining the situation of coal mine site, the key technology of F5G application in the mine is studied, which further improves the quality of the bearer network of Baode coal mine and provides a new and reliable scheme for the high-quality transmission network of the coal mining industry.