To improve the heat insulation property of an electric hot water storage container by increasing the cover rate at the upper part of a container body opening and filling rate into a lid of a heat insulating material.

In the heat insulation structure of the lid 13 of an electric hot water storage container comprising a lid upper member 201 made of a resin, a lid lower member 202 made of the resin, a metallic inner lid member 203 provided below the lid lower member 202, a pressurizing member 204 provided on the almost center of the lid upper member 201, and bellows 50 provided under the pressurizing member 204 and pressurized by the pressurizing member 204 for blowing air from an air supply port 501 projecting downwards, supplying the air into the container body 1 of the electric hot water storage container, pressurizing and dispensing a contained liquid, the heat insulating material 205 is provided around the side periphery of the bellows 50 and around the air supply port 50a at the lower part of the bellows 50 or around the air supply port 50a and an air supply path 50b continued from the air supply port.

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