A grooming box is provided in order to easily install member(s) and a work space for pet grooming anywhere, and efficiently collect groomed hair, and prevent the groomed hair from scattering outside the grooming box. The grooming box is a compact, easily assemblable and portable box so that members necessary for grooming is accommodated compactly in the box in vertical directions, and a work space where a groomer works is foldably formed. Further, the grooming box includes an air circulating type cleaning device, an air curtain device, and an ion generating device.