The invention provides a blade storage case which enables a blade to be attached to a holder body without touching the blade with the blade accommodated in the case, is safe and enables bacteria and the like to be prevented from adhering.The holder body is provided at its front end portion with an attaching finger to attach the blade, and in the blade is formed a fit hole adapted to an engagement portion such as a slit or the like formed in the attaching finger. The storage case that accommodates the blade is provided with an upper support face and a lower support face to sandwich upper and lower surfaces of the plate-shaped blade therebetween to store. As the upper and lower support faces, for example, the case is divided into two parts, and the upper support face is formed in the upper case while the lower support face is formed in the lower case. Alternately, an internal lid is provided to form the upper support face. In the box-shaped case body, an insertion guide hole to guide the attaching finger along the lower surface of the internal blade from the outside of the case and a blade fixing piece that positions and holds the blade are disposed in at least one of the upper and lower support faces.
