After the rise of the Taira family, TAIRA no Kiyomori, who was enthusiastic about the trade between Japan and the Sung Dynasty in China took the post of the Governor of Higo Province, thus the Taira family's controlling over Higo Province was strengthened.
平家台頭後は日宋貿易に熱心だった平清盛が肥後守に就任するなど、平家による肥後国統制が強化される。