Horseshoe, also known as water chestnut, water chestnut and yam belong to the same source of medicine and food. Water chestnut is mainly used for treating fever and thirst, jaundice, etc.; yam is mainly used for treating spleen deficiency with little food, tiredness and fatigue (tiredness and fatigue). Patients who have indications for both of the above medicines can take water chestnut and yam together under the guidance of a doctor. Water chestnut has the efficacy of clearing away heat, resolving phlegm and eliminating accumulation. It can be used for treating fever and thirst, jaundice, feverish drenching (burning and stinging pain during urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen), plaque, eye redness, sore throat, and warts (sarcoma growing on the skin). Caution should be exercised in cases of coldness and blood deficiency. Yam has the effect of benefiting qi and nourishing yin (tonifying qi, replenishing yin), tonifying the spleen, lungs and kidneys, fixing essence and stopping the band. It can be used for treating spleen deficiency with little food, tiredness and fatigue, loose stools, coughing, kidney deficiency, spermatorrhea, frequent urination, internal heat and thirst. Yam is also forbidden for those who are full of dampness (too much dampness leading to fullness and discomfort in the spleen and stomach) or those who have solid evils or stagnation. If you feel unwell, it is recommended that you consult a doctor. If medication is needed, it should be diagnosed by a doctor and the treatment should be standardized according to the doctor’s prescription.