Ginger is a medicinal substance, there are dried ginger, ginger, galangal, gun ginger, etc. As a traditional Chinese medicine, each of them has different effects and functions. 1: Ginger is the fresh rhizome of Zingiber officinale, which has the effects of stopping vomiting and warming the middle, dispersing cold and relieving the symptoms, resolving phlegm and cough, and detoxifying fish and crab poison. It can be used for cold spleen and stomach; cold phlegm and cough; wind-cold colds; stomach cold and vomiting; fish and crab poison. The adverse effects of this product are not clear, and it is not recommended for people with heat and internal heat deficiency. 2:Dried ginger is the dried rhizome of Zingiber officinale, which has the efficacy of returning yang to the veins, dispersing cold and warming the middle, warming the lungs and transforming drinks (promoting the operation of stagnant fluid by warming the lungs), and it can be used for the symptoms of death of yang, cold limbs and weak veins, and the symptoms of cold in the spleen and stomach. This product is contraindicated for those with yin deficiency and internal heat, blood heat, adverse reactions are not clear. 3:Gao Liang Jiang is the dried rhizome of Zingiberaceae plant Gao Liang Jiang, has the efficacy of dispersing cold and relieving pain (relieving pain by removing the cold in the body), stopping vomiting and warming up the middle, which can be used for vomiting with cold stomach, belching (hiccups), acid swallowing (swallowing the acid that rushes up to the oropharynx in the stomach); stomach cold, cold and abdominal cold and pain (cold and painful in the stomach and stomach and abdomen). It is contraindicated for people with heat in yin deficiency, and the adverse effects are not yet clear. 4:Cannulated ginger is the processed product of the dried rhizome of ginger, family Zingiberaceae. It has the effect of warming the middle and relieving pain (relieving pain by warming the spleen and stomach), stopping bleeding and warming menstruation, and can be used for symptoms such as coldness of the spleen and stomach (spleen and stomach weak and cold), abdominal pain and vomiting and diarrhea, and disintegration and leakage (excessive menstruation or more than a few drops). It is contraindicated in pregnant women and those with heat in yin deficiency. Adverse effects are not known. If there is any discomfort, consult a doctor in time, do not use the drug by yourself to avoid adverse reactions.