PROBLEM TO BE SOLVED: To provide an agricultural house which eliminates the need for ventilation means and therefore can prevent harmful insects from going into the agricultural house to inhibit the disease and damage caused by the harmful insects.SOLUTION: An agricultural house includes a skeleton and a film. By spreading the film out on the skeleton, a space separated from the outside is formed. The film is a cellulose film which contains a cellulose acylate resin, has a moisture permeability of 600 g/m/24 h or more, and has a thickness of 80 to 200 μm. The agricultural house also includes a fine mist cooling device which cools the space by spreading atomized water in the space.SELECTED DRAWING: None