Bone Skin is used as a decoction to be taken internally; soaking is not the correct way to use it, as soaking may lead to insufficient release of its active ingredients, resulting in a decrease in the efficacy of the drug. If there are no indications, it is not recommended to drink water for a long time. Bone skin is the root bark of the plant Lycium barbarum, sweet flavor, cold nature. It has the effect of cooling the blood and removing steam (eliminating the heat from the inside of the bone to the outside by cooling the blood), clearing the lungs and lowering the fire. It has therapeutic effects on tidal fever in yin deficiency (a burst of fever), night sweating in bone vapor (abnormal sweating after going to sleep and stopping sweating after waking up), coughing in lung heat, and is also used in the treatment of internal heat and thirst (internal heat accompanied by symptoms of overeating, excessive drinking, and excessive urination), hemoptysis, epistaxis, and other disorders. Adverse reactions and contraindications of Dioscorea opposita are not clear. It may be difficult to achieve the therapeutic purpose of drinking water made from the bark of the earth’s bones, and usually needs to be reasonably prepared and boiled correctly in order to achieve the therapeutic effect. Before using Dijiepi, please consult a traditional Chinese medicine practitioner for diagnosis and follow the doctor’s instructions to avoid adverse effects.