This is a medical stone. Soaking in water is good for your health. Medical stone can also use its own ingredients to isolate toxic substances through absorption and decomposition. Medical stone can release all kinds of minerals necessary for human body in water by releasing minerals and balancing the amount of mineral substances. Medical stone can supplement its deficiency by absorbing excess minerals or releasing minerals, thus balancing the quantity of minerals. Medical stone releases many trace elements such as potassium, phosphorus, iron, sulfur, manganese and magnesium, which plays an important role in the synthesis of enzymes and hormones. The reason why medical stone releases a lot of minerals is that it consists of more than 24,000 components, which is the most remarkable feature of medical stone.