100% pure old ginger powder, made by grinding old ginger for more than four years.Ginger is pungent and warm, and returns to the lung, spleen, and stomach meridians. It can sweat to warm up the body, avoid dampness, avoid fat accumulation, increase metabolic rate, and enhance immunity. Ginger sterilizes and detoxifies, improves common cold coughs, prevents colds and colds, and relieves vomiting. Improve cold hands and feet?and?take out the germs and cold air in the body.