A CNT metal composite material is provided depositing a metal into a plurality of CNTs is provided including 3% by weight or more and 70% by weight or less of the CNTs, a region is arranged with the metal uniformly distributed in a scanning electron microscope image magnified ten thousand times and the length of the region is at least 1 μm, a signal of the metal and a signal of carbon are not localized in a specific area in a two-dimensional elemental analysis image magnified ten thousand times, and a length of a region uniformly distributing the signal of the metal and the signal of carbon uniformly distributed is at least 1 μm, an allowable current density is at 6×106 A/cm2 or more, and volume resistivity is 1×10−6 Ω·cm or more and 5×10−3 Ω·cm or less.