To make it possible to effectively keep the uniform temperature of commodities by uniformly heating the surface of the commodity display side and further reducing the temperature difference of the commodities.

The open display case has a housing 1 having an opening 2 making it possible to form an air curtain at the front surface, a plurality of commodity display parts 3 disposed in the housing 1, and heating means 16 and cooling means 15 for holding warm storage or cold storage in the housing 1, and comprises the means 16 respectively provided in the plurality of the parts 3, and temperature equalizing means 20 provided at the commodity display side of the means 16 to make the temperatures of the commodity display side surface uniform.