To provide a wooden lifting/lowering table, even when knees are placed under the table, allowing a person to take a most ideal posture and being graceful as furniture.

The wooden lifting/lowering table is so configured that: a table upper plate is tightened to an upper surface of a base upper box of a base 30 that has lifting/lowering prismatic columns 31 at four corners; a motor box 33 provided at a lower part of a base bottom plate includes a motor capable of adjusting a rotation direction; a motor pulley 34 is fixed to a main spindle of the motor; timing belts 38 are wound around the motor pulley 34; the timing belts 38 drive a trapezoidal thread pulley 35; and the trapezoidal thread is paired with a trapezoidal female thread to cause the lifting/lowering prismatic columns 31 to protrude downward or to retract.