The disclosure relates to kimchi packaging container with flexibility and firmness, in which storage and transportation can be facilitated by maintaining the shape of the lower end of an accommodation part, and the kimchi packaging container with flexibility and firmness includes: an accommodation part formed in the shape of a pouch made of a flexible material; a connection part for maintaining the upper end of the accommodation part in an open state; a cover part for blocking the opening of the upper end of the connection part and pressing kimchi accommodated in the accommodation part with pressing plates provided on the bottom surface thereof; and a support part for blocking the opening of the lower end of the accommodation part and formed in a fixed shape so as to constantly maintain the shape of the lower end of the accommodation part.