Dried ginger is the dried rhizome of ginger, which belongs to the medicinal food category and has a pungent taste and is a hot food. It is pungent and hot in nature and belongs to the spleen, stomach, heart and kidney meridians. The efficacy and role of dried ginger are warming and dispersing cold, return Yang, warming the lungs and drinks, generally used for the following symptoms: 1, cold pain in the stomach and abdomen: the stomach always feel cold, do not dare to eat cold food, called cold pain in the stomach and abdomen, vomiting, diarrhea of the spleen and stomach cold; 2, the limbs always feel cold, touching the hands and feet are particularly cold Yang deficiency patients; 3, cold cough and asthma patients, phlegm is particularly large, a large mouth, chest tightness, breath-holding patients, some The powerful can not lie down, have to head high like that; 4, the death of Yang deficiency patients, shock, sweating patients. Generally used in clinical combination, not a single flavor, to be used with other, such as the eucommia, cinnamon a piece, the effect is better, not alone.