Matsuo Temple is Tendai Buddhism Temple located in Izumi, Osaka Prefecture. It was estalished in 672 and entitled by Emperor Myonin in the early 9th century. Around the Muromachi period, 14th century, this temple flourished widely. However, during Sengoku period, Oda Nobunaga attacked this temple and burnt down.

Later, Toyotomi Hideyori, the son of Hideyoshi donated to reconstruct many building. the main hall was reconstructed in 1602 by him.

The Sanmon Gate is constructed in 1709.