Abstract: From the specific circumstances of north seven high-temperature mining area in Tianchen Coalmine, some fire prevention and extinguishing measures were put forward during normal, special and stop mining to ensure the normal mining in No.7108 working face. At the same time, through the research of fire prevention and extinguishing technology in this working face, the fire prevention and extinguishing technology system formed for north seven mining face, which played a reference and guidance role to fire prevention and extinguishing work in other unexploited working face.