Abstract: The subject invention relates to a type of structural improvement on keyboard packaging box, said keyboard packaging box comprising an integral cardboard that is cut, folded and assembled; including a bottom box and a top; the bottom box comprising of a bottom, front plate, rear plate and two sides; the side being composed of a first side plate, a second side plate and inner plates; the front plate being adjoined to a separating plate; said separating plate located in the middle part of the bottom box and gradually inclines upward; the keyboard and the armrest can be accommodated respectively below and above the separating plate; the connecting wire of the keyboard can be accommodated in the accommodating chamber formed by one side of the separating plate; by so design to achieve such effects as increased structural strength and better protection of the keyboard.