PROBLEM TO BE SOLVED: To provide an agricultural greenhouse which can control an indoor temperature through a year while suppressing the increase of a house construction cost.SOLUTION: The agricultural greenhouse 10, which is constructed on a stepped ground 1 having an installation surface (house installation surface) 2 and a wall surface 3 (wall surface for temperature control) standing up from the installation surface 2, includes: a water-controlling pipe (parallel) 21 embedded in the stepped ground 1 for controlling a water pressure underground, a communication pipe 22 penetrating through the wall surface 3 and communicating the inside of a house chamber 10c with the water-controlling pipe 21； and a roof part 12 standing up on the installation surface 2 and communicating with the wall surface 3. The wall surface 3 is a part of a sidewall.
