PURPOSE: To provide a piping unit drawer front fitting structure whose height adjustment is facilitated.

CONSTITUTION: A hook piece 5a is formed on the upper end of a drawer front 5 on the lower side and a plug-in piece 4b is formed on the bottom end of the drawer front 4 on the upper side, which drawer fronts 4, 5 are to be fitted in front of a piping unit 1. A fitting 8 has a hook piece 5a and a hook unit 8c, which can hook the plug-in piece 4b, integrally formed thereon. The side of the hook unit 8c is provided with slotted holes 9a, 9b formed on its upper and lower part for driving a bolt 12 through to fix it to a frame 2 and the upper end of the fitting 8 is equipped with a pressing protrusion piece 8d which abuts on the back of the drawer front 4 on the upper side.