Disclosed is a functional hand bath in the present invention, in which the functional hand bath is used at any time and any places for anybody; continuously supplies warm water; and has great effect in heating, blood circulation, and health supplementary industry, and which comprises a freshwater space portion in the center so that warm water is accommodated; and a central control attaching support including a control unit which controls predetermined temperatures of water, wherein the central control attaching support has a plurality of through holes so that water is circulated. 본 발명은 남녀노소, 장소의 구분없이 사용이 편리하며, 따뜻한 물을 계속 공급하면서 온열효과와 혈액순환 및 건강보조산업에 매우 유용한 효과가 있는 유용한 발명인 것이다.