Container for keeping fermented food

A container for keeping fermented food, comprising:

• a main body for accommodating fermented food in an interior space;
• a pressing plate coming into contact with the surface of the fermented food in the main body;
• and
• a cover for blocking the opening of the inside of the main body;
• wherein the main body has a stepped part protruded inwards from the inner circumferential surface of a neck part at an upper end portion, and
• the pressing plate has a protruded rim provided to the periphery of the upper end portion thereof so as to be placed on the stepped part, a vertical section provided to the lower end of the protruded rim and having an outer circumferential surface coming into contact with the inner circumferential surface of the stepped part, and a round surface provided to the lower end of the vertical section and having a bottom surface part coming into contact with the surface of the fermented food;
• wherein the round surface comprises a protrusion part extending upward in the center thereof;
• and
• wherein the protrusion part comprises two grooves formed on opposing sides of a top surface thereof.