The present invention relates to a small food storage container including: a food storing body having a shape of a container having a food storing space in which food is stored; a food filling body detachably mounted on the food storing body and having one or more air inlets formed along the periphery thereof to allow the inside to communicate with the outside and a food filling space formed at the inside thereof to communicate with the food storing space to fill the food thereinto; and a food opening/closing part fitted to the inside of the food filling body and having a shape of dishes facing each other to define the food storing space and the food filling space to open and close the food filling space by suctioning and discharging pressures of air.