The invention discloses a wire guard structure for opening and closing a door, which is used for protecting connecting wires in the opening and closing of the door of an electronic cabinet. A thread protector structure for opening and closing a door comprises a thread protector main body, one end of the thread protector main body is rotatably connected with a cabinet door, the other end of the thread protector main body is slidably connected with the cabinet body, a cavity is arranged in the thread protector main body, and a connecting wire extends from one end of the thread protector main body through the cavity from the other end of the thread protector main body. The thread protector provided by the invention, the wire guard structure is simple in structure, small and hidden; that connected wire is arranged in the protect wire case, the connecting frame and the front and rear protecting wire plates move along with the rotating protecting wire case of the open and closing door, the shape of the connecting frame and the front and rear protecting wire plates ensure that the movement of the protecting wire case does not interfere with the cabinet body and the cabinet door, does nothinder the opening and closing door operation, and the connecting wire is protected by the protecting wire case from being squeezed; The invention can not only solve the squeeze problem caused by theconnecting wire in the cabinet when the cabinet door is opened and closed for a long time, but also can conceal part of the connecting wire exposed in the cabinet to achieve the effect of being beautiful and tidy.