Adjustable door shelf component and refrigerator

The invention discloses a kind of adjustable door shelf component and refrigerator, door shelf component includes storage rack body and mobile shelving；The storage rack body can be along inner side of door face vertical sliding；Height adjustment knob is additionally provided in the storage rack body, the rotation of the height adjustment knob has upper sliding unlocked position and downslide unlocked position, when being located at upper sliding unlocked position, the storage rack body only limits the slide downward of the door body by the height adjustment knob；When being located at downslide unlocked position, the storage rack body releases the slide downward between the door body and locks, to adjust the height of door shelf component.Above-mentioned door shelf component is matched with the adjustment hole in storage rack body by setting height adjustment knob, by the rotation of height adjustment knob, realizes the adjusting of short transverse, easy to operate, structure is reliable.