Combinative cabinets

A combinative cabinet comprising:

• a cabinet body formed with five side boards and with an open front side, an upper side board provided with two dovetail-shaped grooves spaced apart by a dovetail-shaped projection on a front edge of an outer surface, a lower side board provided with two dovetail-shaped grooves spaced apart by a dovetail-shaped projection on a front edge of an outer surface, a right side board provided with two dovetail-shaped grooves spaced apart by a dovetail projection on a front edge of an outer surface, a left side board provided with two projections spaced apart by a dovetail-shaped groove on a front edge of an outer surface, said upper board and said right side board and left side board respectively having an L-shaped insert groove respectively formed at two rear corners;
• plural position members of an H-shape respectively having four projections at four corners, said plural position members bent in a right angle and then fitted in the related L-shaped grooves of said upper and said lower side board and said right and said left side board for stabilizing said cabinet bodies assembled together;
• and,
• every Two of said cabinet bodies assembled together by juxtaposing or superposing with said dovetail-shaped projections engaging with said dovetail-shaped grooves of said upper and said lower side board and said right and said left side board and with said position members in said L-shaped grooves so as to construct a large mass of plural cabinet bodies assembled together.