The black shale of the bottom of Cambrian in Tianzhu County, Guizhou Province, China, has abundant carbon and muti-metal element. Ignition phenomenonof Cambrian black shale wasdiscovered by research group of barite deposit in Gongtang Village, Bandong Town, Tianzhu County, Guizhou Province, the ignition phenomenontook place at 7 year agofrom Gongtang Villagefarmer's introduction. Theignition of Cambrian black shale led to mountain with smog and strong sulphuric smell, and formed denthole, ash and sulphur.The ignition phenomenonof Early Cambrian black shale is first reported in the world, it is important to utilize muti-metal element in Cambrian black shale.