Powdered ginger can relieve cough and vomiting, warm the middle warmer and dissolve phlegm, detoxify fish and crab, and detoxify the epidermis and dispel cold (remove the cold from the surface of the muscle), and it is contraindicated for those who have a deficiency of yin and internal heat or those who have a feverish constitution. Ginger powder can dispel cold and wind, but because of its relatively weak effect, it is only suitable for people with mild wind-cold flu. This powder also has the effect of relieving cough and phlegm, warming and stopping vomiting (treating vomiting caused by stomach cold by warming the spleen and stomach), and is also effective in treating vomiting caused by cold in the middle jiao and coughing and phlegm caused by cold in the lungs. Due to the warm nature of ginger powder, it is easy to help the fire to hurt the yin, so the yin deficiency and internal heat or hot body, need to disable this powder. Ginger powder can not be used indiscriminately, if you need to use drugs need to strictly follow the instructions of the doctor, do not self-medication to avoid causing damage to the body.