The invention relates to a door body for a refrigerating and freezing device and the refrigerating and freezing device. Specifically, the door body for the refrigerating and freezing device comprises a faceplate, a door liner, a rear cover, a display control assembly and a limiting bar. The rear cover is arranged between the faceplate and the door liner, and a containing cavity is defined between the rear cover and the faceplate. The display control assembly is arranged in the containing cavity and provided with a base plate, a touch display screen and a screen cover which are sequentially arranged from front to back. The base plate is provided with a base plate opening used for exposing the touch display screen. The periphery of the base plate opening is provided with a flange protruding forwards. The limiting bar is inserted into a gap between the rear cover and the screen cover in a stuffed mode so as to limit the display control assembly in the front-back direction. The faceplate is provided with a faceplate opening used for exposing the touch display screen. The outer surface of the flange of the base plate opening abuts against the edge of the faceplate opening. The invention further provides the refrigerating and freezing device which comprises a box body provided with object storage spaces in a defined mode and the door body. The door body is directly or indirectly connected to the box body.