To provide a doghouse enabling a dog to enlarge the sphere of action to the utmost with the doghouse as the center and capable of minimizing the damage to a beautiful sight of a garden or a veranda.

This doghouse is obtained by surrounding and installing a guide rail 3 composed of a hollow pipe freely floatably provided with a mooring tool for mooring a drawstring of the dog in an opening 4 formed at a required width in the longitudinal direction on the outer peripheral part of the doghouse body, providing a rail equipped with a movable sash roller in the horizontal direction in the inner upper part of the opening 4 formed in a part of the main part of the doghouse and making the opening 4 openable and closable with a door panel 5 interlocking with the sash roller.