The present invention relates to a structure of a rock plate bath cabin. The main structure includes a cover cabin, a heating space is defined in the cover cabin, and a cover heating element and an energy layer heat insulation element are provided in the cover cabin. The cover can be placed in any space where the user can lie down and lie directly in the cover, so as to perform a more complete maintenance action on the human body through the dual effects of the heating element of the cabin and the thermal insulation of the energy layer. , And the use of energy layer insulation to enhance safety in use.本新型為有關一種岩盤浴艙體之結構,主要結構包括一遮蓋艙,遮蓋艙內界定有一加熱空間,並且遮蓋艙中設有一艙體加熱件及一能量層隔熱件,藉此,使用者可將遮蓋艙置於任何可讓使用者臥躺的空間中,並直接躺入遮蓋艙內,以通過艙體加熱件及能量層隔熱件的雙重效果,來對人體進行更完整的保養動作,以及利用能量層隔熱件加強使用上的安全性。