The present invention relates to a whole body dome sauna apparatus, and more particularly, to a whole body dome sauna apparatus having a needle bed of a predetermined height so as to allow a user to enjoy a fomentation and a sauna, and a dome-shaped lid which is covered on the upper surface of the needle bed, The hot water circulation pipe provided in the needle bed and the dome-shaped lid is supplied with hot water at the same time from one small hot water boiler, (Heated). In particular, the dome-shaped lid includes a pair of hemispherical frames formed with fitting grooves having a certain depth in the inside direction and spaced apart from each other at a predetermined distance from the left and right sides； An outer plate having a predetermined thickness and width so that both ends thereof are fitted into fitting grooves of the hemispherical frames so as to closely contact with each other to form a hemispherical dome having a predetermined length； A heat insulating plate having a predetermined thickness laminated on the inner wall of the shell plate assembled in the hemispherical frame to prevent heat inside the dome-shaped lid from being discharged to the outside； A yellow soil plate formed of a plate material having loess as a main component, a recessed groove formed at a predetermined depth in the central portion of the inner side of the inner surface so that the hot water circulation pipe is embedded therein, and laminated on the inner surface of the heat insulating plate； And a charcoal coating layer having charcoal as a main component and having a predetermined thickness laminated on the surface of the yellow clay panel to which the hot water circulation pipe is connected.본 발명은 전신 돔 사우나 장치에 관한 것으로, 더욱 상세하게는 사용자가 누워서 찜질 및 사우나를 즐길 수 있도록 일정 높이로 이루어진 침상과, 상기 침상의 상면에 씌워져 한쪽으로 개방되는 돔형 덮개가 구비되는 전신(全身) 돔 사우나장치에 있어서, 상기 침상 및 돔형 덮개에는 복수열 또는 지그재그로 온수순환파이프가 각각 매설되고, 상기 침상 및 돔형 덮개에 구비된 온수순환파이프는 하나의 소형 온수보일러에서 동시에 온수가 공급되어 가온(加溫)되는 구조로 이루어진다.특히, 상기 돔형 덮개는 내측 방향으로 일정
