To provide a chair for warm bath which has not only a simple heating of the buttocks, but also a warm bath effect of higher permeability, and also, can effectively maintain the circulation of warm air, and in addition, can demonstrate a multi-functional operation such that a warm bath by steam bathing can be performed, and to provide a warm bath device using the chair for warm bath.

This chair for warm bath is made by arranging a heating apparatus under the seat plate of the chair, and is constituted in such a manner that a lid body which maintains a ventilation and supports the buttocks may be set on an opening which is provided on the seat plate and through which warm air is vented. Also, this warm bath device by the chair for warm bath is made by arranging a hot bath apparatus under the seat plate of the chair, and is constituted in such a manner that a heater is provided in a vicinity of the bottom surface of a container, and also, a ceramic element is provided above the heater.