With technical instruction from kanyain, paper making became popular in various places and kanyain began to experience the lack of materials together with the weakening of the administration's controlling power.
紙屋（かんや）院の技術指導によって、各地で紙漉きが盛んになり、律令制度の統制力の弱体化とも相まって、紙屋（かんや）院は原料の調達が思わしくなくなった。