Self-assembly cabinet

A self-assembly cabinet comprising:

• a box including a rectangular front frame, a rectangular rear frame, two rectangular side frames interconnecting the front frame and the rear frame, a top frame on tops of the front frame, the rear frame, and the side frames, and a bottom frame on bottoms of the front frame, the rear frame, and the side frames;
• a plurality of latches secured to four corners of an inner surface of each side frame respectively;
• and
• a plurality of cooperating fastening structures secured to four corners of an inner surface of each of the front frame and the rear frame respectively;
• wherein the latches are releasably secured to the cooperating fastening structures respectively so that the side frames, the front frame, and the rear frame are configured to assemble;
• wherein each latch includes an extension having a concave member and a hook at an open end, and a plate member being at an angle of 90-degree with respect to the extension and threadedly secured to the side frame;
• wherein each cooperating fastening structure includes a plate element threadedly secured to the rear frame or the front frame, a cylindrical member projecting out of the plate element, and an enlargement at an open end of the cylindrical member;
• and wherein the concave member is put on the cylindrical member and the enlargement is configured to prevent the concave member from being disengaged from the cylindrical member.