Ginger peeled and not peeled in the efficacy of no particular big difference. The Introduction to Medicine” believes that: “Danxi cloud (ginger) to stay skin is cold, remove the skin is hot, not the skin of the nature of cold, cover stay skin is the line of the surface of the heat to go, remove the skin is to keep in the middle of the heat to stay also.” But clinically not seen to stay in the skin long in the dispersal, peel long in the warmth of the middle, the same also did not see even the skin into the medicine of its warmth weakened, peeled to use the warmth of the enhancement, so ginger peel and not peel efficacy and not a big difference. However, the efficacy of ginger and ginger skin is different. Ginger can disperse wind-cold, warm and stop vomiting (to warm the spleen and stomach to treat vomiting caused by stomach cold), warm the lungs to stop coughing, detoxification, first aid fainting; ginger skin is the strong effect of water retention and swelling. This product helps fire and harms yin, so it should not be taken by those who have heat or yin deficiency and internal heat. Large doses of this product should be used under the guidance of a doctor, do not increase the dosage without authorization, so as not to cause adverse effects on the body.