The present invention relates to a poultry-only housing structure in which soil can be dried easily to prevent infectious diseases to ensure safety from various diseases and infectious diseases by providing a pleasant environment in which the soil on the floor of the poultry housing for duck, chicken and the like is always kept dry without being damp. The present invention is characterized by a bottom body integrally connected to a side wall, wherein the bottom body has a drain groove and a drain guiding inclined surface, and a drain cover having a drain hole at an upper portion of the drain groove is provided. The present invention has an effect that water falling from a poultry water supply device can be drained smoothly out of the poultry housing along a drain groove so that the inside of the poultry housing can always be maintained in a dry and pleasant condition. Furthermore, the poultry can be safely protected from diseases or infectious diseases.
