The utility model belongs to the technical field of power fault prediction and especially relates to a power user major failure risk index prediction apparatus with high accuracy and high prediction efficiency. The power user major failure risk index prediction apparatus comprises a signal acquiring unit, an A/D converting unit, a central processing unit, a 4G communication transmission unit, and a human-machine interaction information display unit, and has structural key points that the output port of the signal acquiring unit is connected with the input port of the A/D converting unit, that the output port of the A/D converting unit is connected with the data input port of the central processing unit, and that the information output port of the central processing unit is connected with the information input port of the 4G communication transmission unit and the information input port of the human-machine interaction information display unit.