The utility model discloses an adjustable multifunctional locker which comprises castors, stand columns, cross beams, separating boards and clips. Two ends of the cross beams are fixed on the stand columns, the stand columns are composed of small stand columns and big stand columns, springs and steel balls arranged at two ends of the springs are arranged on the bottom portions of the small stand columns, and a plurality of holes enabling the steel balls to eject are formed in the stand columns along the height direction at intervals. The cross beams are formed with small cross beams sleeved on big cross beams, and sliding bearings are respectively arranged on the upper sliding face and the lower sliding face of the small cross beams. The separating boards are arranged on the stand columns through the clips, and the separating boards are composed of big separating boards and small separating boards. The castors capable of being braked are arranged at the bottom ends of the stand columns. The height, the width, the layer height and the layer number of the adjustable multifunctional locker are adjustable, the free space of a room and the inner space of a cabinet can be fully utilized, and the adjustable multifunctional locker is convenient to move and use.