In order to allow a user to conveniently adjust the elevation of the shelf, simplify the structure not to generate noise, stably maintain the selected position of the shelf, and rapidly and considerably adjusting the elevation of the shelf, the present invention discloses an elevation adjustment apparatus for a shelf in a refrigerator comprises a shaft lengthily provided up and down in the inside of the refrigerator; a shelf moved up and down along the shaft; an operating lever hinged to the shelf and having a through hole through which the shaft penetrates; and an elastic member pushing the operating lever to contact the through hole to the shelf and hook them so that the up and down movement of the shelf is selectively restricted.