Ginger has a pungent taste, slightly warm, attributed to the spleen, stomach, lung meridian, dry ginger on the taste of pungent hot, attributed to the spleen, stomach, heart, kidney meridian. Its efficacy is: 1, ginger contains spicy ginger, with aromatic alcohol, gingerene, riboflavin, carotene, crude fiber, as well as calcium, iron, phosphorus and so on a variety of components, has a high nutritional value, has a special spicy flavor and fragrance, can be seasoned sweet aroma, is indispensable in the life of the deployment of the dish, can remove the fishy taste, such as as the deployment of fish dishes; can detoxify, deodorize, can be raw, cooked, pickled, can be processed Ginger juice, ginger powder, ginger wine, dried ginger, can be refined to the raw materials of spices; 2, ginger has warming and dispersing cold, warm suspension of vomiting, can treat cold stomach pain, duodenal ulcer, vomiting can be more than 1 small spoon of ginger juice, 2 spoons of honey, plus 3 spoons of warm water, blending after boiling together; 3, ginger has a solution to dispel cold, phlegm and cough, can be used to treat wind-cold cold, runny nose, sneezing, cough phlegm. Also can treat wind-cold bone pain, joint pain, etc.; 4, dry ginger can return Yang and open the pulse, can treat the late stage of the disease of the dead Yang syncope, cold limbs and weak pulse, generally need to be prepared with drugs such as Pei Zi; 5, dry ginger can warm the lungs and resolve phlegm, can treat the body with ambrosia, cough shortness of breath, form of cold back cold, sputum, clear and thin, generally can be combined with Wu Wei Zi, Hosanna, Ma Huang, such as Xiao Qing Long Tang. In addition, the following groups of people should not eat, such as fever in the heart of the hands and feet, dizziness, tinnitus, hepatitis patients, constipation, or cough when the phlegm yellow people, these people are not suitable for consumption of dried ginger.