After the Sekigahara Battle, Ieyasu launched a reconstruction of Fushimi-jo Castle which had been burnt to the ground, for the dual purpose of restraining the Toyotomi clan and providing a base for the control of territories in the vicinity of the capital which were under direct imperial rule.
関ヶ原後、家康は豊臣氏の牽制と畿内支配の拠点という両点から、焼失した伏見城の再建に乗り出す。