Boiling water with Chinese yam has certain effects of removing internal heat. It can be used for internal heat and thirst (internal heat accompanied by excessive eating, drinking and urination), spermatorrhea (kidney deficiency), lethargy (tiredness and fatigue), loose stools (thin and unformed stools), diarrhea, and frequent urination under the belt. The adverse reactions and contraindications of Huai yam are currently unknown. It is contraindicated for those who are suffering from dampness (too much dampness causing fullness and discomfort in the spleen and stomach) or those who have solid evils or accumulation of stagnation. Boiling water with Chinese yam has the effect of removing internal heat, but the effect of boiling water with a single medicine is limited, and it should be used according to the condition under the guidance of a physician, and commonly used medicines include Zuo Gui Pill and so on. If there is a need for medication, consult a Chinese medicine practitioner for evidence-based guidance and follow the doctor’s instructions to use medication, not blindly use medication on their own.