The invention discloses an intelligent seal device of meters, and relates to the technical field of material management equipment. The intelligent seal device comprises a seal main body as well as a line passing hole, a seal line and an proximity switch which are arranged on the seal main body, wherein the seal line comprises a line body protective jacket and a U-shaped anti-theft lead which is arranged in the line body protective jacket; the seal line and the line passing hole are matched in an inserted mode; the U-shaped anti-theft line is connected to external side; and the proximity switchis connected to the external side. The seal device can be recycled via the seal main body, the line passing hole, the U-shaped anti-theft lead, the proximity switch and the like, so that resource issaved; and status information of the seal device can be transmitted to the external side via the proximity switch and the U-shaped anti-theft lead, so that a necessary precondition basis is provided for a power administration department to timely discover a situation of artificial destruction, and subsequently, a risk of electricity stealing is reduced.