The hand-made white tissue paper called Kairyohanshi is chiefly manufactured in Kawanoe city and Jenzin town of Ehime Prefecture, Japan its material being mitsumata.The use of Kairyoha nshi was mostly for typewriter paper, copying paper, ruled paper, calligraphy paper, etc.The author mentioned to material Mitsumata and its cooking and bleaching and beating from a scientific and historical point of view.