Introduction to geothermal slate bed: The marble slab used in the slate bed has the characteristics of natural breathing. The hot spring heat under the stone can open the pores and quickly wick away sweat, which can remove sweat and excess fat from the body. At the same time, it absorbs the effects of natural marble on the human body. Beneficial mineral trace elements have a good effect on patients with lumbar muscle strain, sciatic nerve and rheumatism, and have the function of quickly eliminating mental fatigue.