The present invention relates to a small food storage container including: a food storing body 100 having a shape of a container having a food storing space A in which food is stored; a food filling body 200 detachably mounted on the food storing body 100 and having one or more air inlets 210 formed along the periphery thereof in such a manner as to allow the inside to communicate with the outside and a food filling space B formed at the inside thereof in such a manner as to communicate with the food storing space A to fill the food thereinto; and a food opening/closing part 300 fitted to the inside of the food filling body 200 and having a shape of dishes facing each other to define the food storing space A and the food filling space B to open and close the food filling space B by means of suction and discharge pressures of air.