The utility model discloses an automatic table of tearing open of old and useless electric energy meter covers system, the mechanism is raiseed to the lid after including, upward the mechanism is got to the biaogaiti, the punching press is torn the nailing machine structure open and is upward shown to cover transfer mechanism, back lid is raiseed the mechanism and is raiseed the back lid of old and useless electric energy meter, go up the biaogaiti and get the mechanism and take out the table lid of going up of old and useless electric energy meter, through last table lid transfer mechanism on will the table lid transport and tear the nailing machine open to the punching press and construct, carry out the punching press to last table lid and tear the nail open. The utility model discloses can realize table lid, go up the automation that the table cover screw and demolish and categorised the recovery, not only reduce the electric energy utensil and scrap the wasting of resources and the environmental pollution who leads to, promote the service upgrading of the full life cycle management of electric energy measurement instrument moreover, the economic value who has important environment, social effect and showing.