Hei Xidan is taken with ginger soup or light salt soup. Heixidan is a kind of proprietary Chinese medicine, which is composed of sulfur, fenugreek, aconite, bone marrow, cumin, cinnamon, etc. It has the efficacy of elevating and lowering the yin and yang, and suppressing phlegm and asthma. It can be used in the treatment of genuine essence exhaustion, upper and lower deficiencies (the upper part of the human body manifests as headache and irritability, while the lower part of the human body manifests as lumbar soreness and frequent urination), phlegm congestion, asthma, and cold pains in chest and abdomen, etc. It is also used in the treatment of the symptoms of the disease. Hei Xidan should be taken with ginger soup or light salt soup, or as directed by a doctor for special cases. Adverse effects of Heixidan are not known. This product contains epiphyllum, sulfur, black tin, should not be overdosed, prolonged use, pregnant women should be cautious. Avoid eating spicy food during the period of administration. If there is a need for medication, it should be used under the guidance of a doctor’s diagnosis, and should not be used blindly on its own to avoid adverse consequences.