Ginger juice is usually extracted from ginger by crushing, ginger juice has the effect of warming and stopping vomiting (to warm the spleen and stomach to treat vomiting caused by stomach cold), relieving the surface and dispersing the cold (to remove the cold from the surface of the muscle), and resolving phlegm and relieving cough. It is mainly used in the treatment of cold phlegm cough, stomach cold and vomiting. Ginger is pungent and warm, can sweat to relieve the surface (through sweating to remove the evil qi on the surface of the body), dispel wind and dispersing cold (to remove the wind evil and dispel the cold evil), but the effect is weak, so it is suitable for wind-cold cold and light evidence. Ginger is generally used as an adjuvant for wind-cold flu, together with Gui Zhi, Qiang Wu and other pungent and warm removing medicines to achieve the effect of sweating and removing the surface of the body. Ginger is pungent and warm, it can warm the stomach and disperse cold, harmonize the middle and lower the rebellious, and it is good at stopping vomiting, so it is called “the holy medicine for vomiting”. Because it is a warm stomach product, it is most suitable for vomiting with cold stomach, and can be combined with galangal and cardamom. It can be combined with galangal, cardamom, etc. It is also used for treating phlegm-beverage (a pathological product formed by the impaired metabolism of water and liquid) vomiting, and is often combined with hemixia. Ginger is pungent, warm and dispersing, which can warm the lungs, disperse cold, resolve phlegm and stop cough, suitable for cough with cold lungs, regardless of whether there is external wind-cold, or phlegm and phlegm, can be used. It can be used to treat phlegm with no external evil and is often used together with Chen Pi and other medicines. It is contraindicated in cases of internal heat and solid heat. If you need to take this medicine, it is recommended to do so under the guidance of a doctor.