To provide storage furniture which uses a wagon as the main body to utilize the entire region of the upper surface of the wagon as the placing surface and enables a user to flexibly and appropriately adopt layouts which are hard to adopt previously.

The storage furniture is equipped with the wagon 2 having an opening part 21Sa in the front, a panel 3 which has a width dimension shorter than a width dimension from the right to the left of the wagon 2 and is mounted on the back plate 213 of the wagon 2 in a manner to change a fixing position in the width direction, and an auxiliary top plate 4 which is supported by the panel 3 and placed above the wagon 2.