PURPOSE: To retain a high freshness and to enable a intense heat cooking with an electronic range or the like by a method wherein a lid is adhered to a con tainer body with a partial non-adhered part left and volume of the container body, weight of perishable food contained in the container body and length of the non-adhered part are designed within a specified range.

CONSTITUTION: In a perishable food packing container 11, a lid 13 is adhered to a container body 12 in which perishable food is contained with a partial non-adhered part left, and when volume of the container body 12 is Vml, weight of perishable food contained in the container body 12 is (a)grams and length of the non-adhered part 22 is (b)cm, 2.0V≤a≤0.6V and 0.01a≤b≤0.06a.