The invention discloses a stretchable water-draining tableware rack. The stretchable water-draining tableware rack integrates the placement and airing functions, and is characterized by comprising stretchable racks, water draining racks, bottom plates, foot racks, U-shaped grooves and installing grooves, and the stretchable racks can stretch and shrink in the opening directions of the U-shaped grooves through the external force effect; the water draining racks are connected with the stretchable racks through the installing grooves, the foot racks and the bottom plates are connected with the stretchable racks, and the foot racks, the bottom plates and the stretchable racks move at the same time. The stretchable water-draining tableware rack has the advantages of being concise, light and handy in design and reasonable in structure and integrates the placement and airing function; the stretchable structure can be adjusted at any time to be matched with tableware with different quantities,and space pressure of a kitchen is reduced; the bottom plates are transversely and aslant distributed and are longitudinally distributed in step, residual accumulating water on the tableware can flowout in the same direction, and the collected water is more conveniently treated.