Ginger, also known as young ginger, ginger buds, etc., has a certain degree of antidepressant, warming the stomach to stop vomiting, cough, detoxification effect, used to treat wind-cold cold, vomiting, lung cold cough, and so on. Ginger is warm and pungent in nature, belongs to lung, spleen and stomach meridians, and has the effects of relieving symptoms, warming the stomach, relieving vomiting, relieving cough and detoxifying. Zai Jiang is mainly used in treating cold and flu caused by wind-cold, fever, cold (fear of cold), body aches and pains; cold spleen and stomach (spleen and stomach weak and cold) caused by nausea and vomiting, stomach and epigastric pain (pain in the area of the stomach close to the heart), etc.; lung cold caused by coughing, coughing up phlegm, phlegm white in color with diluted texture, etc.. The adverse effects of Zai Jiang are not clear. It should not be used in patients with wind-heat cold or lung-heat cough. If there is a need for medication, it is recommended to use it under the guidance of a professional physician to identify the symptoms, and not to use it blindly on one’s own.