Storage box combination that is stacked up and down and is assembled left and right

A storage box combination comprising:

• multiple storage boxes;
• wherein:
• each of the storage boxes includes two side boards, at least two laminates, and at least one back board;
• the two side boards are arranged in parallel;
• each of the two side boards is upright;
• each of the two side boards has a face provided with at least two first slots and a second slot;
• the at least two first slots are arranged from bottom to top and are parallel with each other;
• the second slot is perpendicular to the at least two first slots;
• the at least two first slots of the two side boards align with each other;
• the second slots of the two side boards align with each other;
• the at least two laminates are located between the two side boards;
• each of the at least two laminates has two sides each provided with an insert extending outward;
• the insert of each of the at least two laminates is inserted into one of the at least two first slots of one of the two side boards, so that the at least two laminates are parallel with each other;
• the insert of each of the at least two laminates is locked onto one of the two side boards by screws;
• the at least one back board is located between the two side boards;
• the at least one back board has two sides each inserted into the second slot of one of the two side boards, so that the at least one back board is upright between the at least two laminates;
• and
• the storage boxes are arranged from left to right or stacked from bottom to top, in which one of the two side boards of one of the storage boxes is closely juxtaposed to and locked with one of the two side boards of another one of the storage boxes by screws, and one of the at least two laminates of one of the storage boxes is closely juxtaposed to and locked with one of the at least two laminates of another one of the storage boxes by screws.