The invention relates to the field of medical cabinets. The simple cabinet structure comprises a cabinet body and a cabinet door rotationally arranged on the cabinet body through a rotary part. The rotary part comprises a shell fixedly arranged on the cabinet door, and a plug pin arranged in the shell. One end of the plug pin extends out of the shell. A connecting piece fixedly connected with theplug pin is arranged in the shell. An elastic part is arranged between the shell and the connecting piece. Through holes corresponding to the connecting piece are formed in the shell and the cabinet door correspondingly. The cabinet door is provided with a pin hole matched with the plug pin. The connecting pieces are close to the pin hole. The elastic part is far away from the pin hole. The simplecabinet structure has the beneficial effects that the simple cabinet structure is simple, convenient to operate and mount, does not need to use any faster and is convenient to dismount.