Since the Amago clan which attacked the Mori clan under the jurisdiction of the Ouchi clan and defeated (Battle of Yoshida Koriyama-jo Castle), the Sengoku daimyo (Japanese territorial lord in the Sengoku period) in Suo Province, Yoshitaka OUCHI made an expedition to the Amago clan's province Izumo Province to have advantage by giving additional damage to the Amago clan in 1542.
大内氏の傘下にあった毛利氏を攻めた尼子氏が敗退（吉田郡山城の戦い）したことから、周防国の戦国大名である大内義隆は天文11年（1542年）、この尼子氏に更なる打撃を加えて優位に立とうとすべく、大軍を率いて尼子氏の本国・出雲国への遠征に臨んだ。