Abstract: According to the high difficult mining features caused by the seam with complicated geological structures in Huaibei Mining Area, the paper analyzed the major problems faced by the coal mining in seam under ultra complicated conditions and stated the mining technology conditions, coal mining technique and production capacity condition.With the type classification of the mining face roof, measurements of the basic mechanics parameters, equipment selection and other technology, the coal mining mechanization degree in the mining area reached 97%.The paper summarized the mining experiences of the seam with complicated conditions in Huaibei M ining Area, which could provide the practical experiences to guide the safety and high efficient mining of coal resources.