The invention provides an installation punching and positioning device of a power distribution metering box. The device comprises a dotting frame and a lifting rod; the dotting frame comprises two clamping plates; a locking device is arranged between each clamping plate and the vertical rod; at least one clamping plate is provided with a level; each clamping plate is provided with two dotting machines capable of sliding left and right; the dotting machines comprise electromagnets, movable blocks and dotting heads; the two clamping plates are provided with clamping parts for clamping the metering box; the vertical rod is provided with a battery and a handle; a slot is formed in the top end of a liftable inner rod; and the lower end of a vertical rod of the dotting frame can be inserted in the slot. The device saves both time and labor in punching and positioning, is convenient in installation, and needs no person to lift the power distribution metering box.