Many buildings in Kanazawa − castle were burnt down in the big fire in l759, in Edo − period. 1n spite of her strict finances , Kaga − ha 冂 organized Zσei − kata , the reconstruction system , and managed to rebuild the secondary palace, Kahoku − gate , Ishikawa − gate and so on . But the three − story turret a冂d the front gate, both of which used to be the most important buildings of a castle , were not rebuilt after all 、 from which it follows that probably her view about the function of the castLe had been charlged . It is made clear in this paper that the system consisted of several divisions , what kinds of work each d正 vision was responsible for, by whom each chief was apPointed , what artisaIls were apPointed to the positions like Nushizuke , and so on . Keywords ; Kanazawa − castle , Z6ei − kata, reconstruction system , Nushizuke ,