Sun-dried ginger should be the Chinese medicine dried ginger, and its correct way of taking it includes decoction and preparation of other Chinese medicine dosage forms. Dried ginger, the dried rhizome of Ginger, family Zingiberaceae, is effective in warming the middle and dispersing cold (dispersing cold evils by warming the spleen and stomach with medicines), returning yang to the veins and warming the lungs to dissolve drinks (facilitating the operation of stagnant water and fluid by warming the lungs). It is mainly used for treating coughing and wheezing with cold drinks, dead yang syndrome (patients usually show symptoms such as cold sweat, pale face, cold hands and feet, unwarm skin, and weak respiratory qi), cold limbs and weak pulse, cold-dampness paralysis, cold spleen and stomach, cold pain in the epigastric region (cold pain in the epigastric region and the abdomen), vomiting, and diarrhea. However, as dry ginger is pungent, hot and dry, it is not suitable for patients with yin deficiency and internal heat, or those with blood heat paranoia (abnormal outflow of blood due to heat). Pregnant women should use it with caution. It can be decocted for use in traditional Chinese medicine soups, and can also be used to make traditional Chinese medicine pills and proteins, etc. Specific instructions should be followed by the doctor. It should be noted that if patients need to use dry ginger, it is recommended to use it under the guidance of a doctor, do not blindly use it on your own, so as not to delay the condition.