Sink tap structure moving up and down through cooperative operation with shelf moving up and down

The present invention relates to a sink tap structure moving up and down through a cooperative operation with a shelf moving up and down, including: shelf frames coupled to a screw bar in the form of male/female screws to move up and down along rails attached to the inner surface of a cupboard by rotation of the screw bar, the screw bar being rotatably coupled to a servo motor disposed inside a cupboard frame; a first stage shelf located close to a user when pulls by means of sliding members slidingly coupled to casing members disposed on the lower portions of the shelf frames and returned to the original position thereof when pushes by means of the sliding members; and a tap coupled to an elevating bar in such a manner as to move up and down by means of the up and down movements of the elevating bar.