The invention provides an electric meter box which comprises an electric meter box shell, a door, a power meter body and a fire extinguishing apparatus.The fire extinguishing apparatus comprises an air bag or a plurality of air bags and an inflation bag or a plurality of inflation bags, and the air bags are filled with dry fire extinguishing media; the inflation bags are filled with hydrogen; the air bags and the inflation bags are made of flammable materials.The electric meter box has the advantages that the problem of incapability of realizing fire extinguishing effects in the first place under the condition that fire sources are set off by existing electric meter boxes in the prior art can be solved, accordingly, the fire extinguishing apparatus in the electric meter box can be started in the first place once fire sources are set off by the electric meter box due to excessive electric power load or other outburst factors, the fire sources can be stopped from being expanded and spread, and the safety performance of the electric meter box can be effectively improved.