The utility model relates to a seismic surveillance technique of nuclear power station, concretely relates to nuclear power station digit macroseism record appearance. A nuclear power station digit macroseism record appearance, includes digital macroseism record appearance body, this numeral macroseism record appearance body comprises data acquisition unit, lithium cell, power adapter, data processing unit, data memory cell and data transmission unit, data acquisition unit and data processing unit connection, the data processing unit respectively with data memory cell and data transmission unit connection, the lithium cell passes through power adapter and supplies power for the record appearance. The beneficial effects of the utility model are that: adopt 24 high accuracy AD chips, these 24 high accuracy AD chips are provided with three routes difference signal acquisition element and single -ended signal acquisition element of the same kind. Guarantee data acquisition's accuracy, realized high accuracy, low noise, improved the operating stability of digital macroseism record appearance.