To provide a knock-down table made of corrugated board which has a load bearing property, caues no environmental problem in disposal and is convenient for use in a shelter in a disaster.

This knock-down table 300 made of corrugated board is constituted by a top board 200 formed by bending a top board member 20 and leg parts 100 formed of a plurality of leg members 10, the top board 200 has insertion pieces provided with an insertion claws for being connected to the leg parts 100, the leg parts has a double-cross structure constituted by the leg members 10 and has insertion recesses with insertion holes 18 in their sides for being connected to the top board 200, and the top board 200 and the leg parts 100 are connected by fitting the insertion claws into the insertion holes 18 and distributedly supports the load. This table is assembled of corrugated boards alone and uses no other materials unsuitable for recycling so as to cause no environmental problem.