Ginger is usually decocted with water and taken internally, which has the effect of resolving phlegm and cough, relieving the surface and dispersing cold (removing cold from the surface of the muscles), etc. It is not usually used for washing the hair, and there is no expectorant effect of washing the hair with ginger. Ginger is the fresh rhizome of the ginger plant of the ginger family. Ginger’s medicinal properties are slightly warm, the taste is pungent, attributed to the lung meridian, stomach meridian, spleen meridian, has the effect of dispersing cold from the surface of the body, transforming phlegm to relieve cough, warming and stopping vomiting (warming the spleen and stomach to treat vomiting caused by gastric cold), and resolving the toxicity of fish and crabs, mainly used for the treatment of cold cold and wind cold, cold and phlegm cough, gastric cold and vomiting, and fish and crab poisoning, usually decocted with water, and the adverse effects and contraindications are still not clear. Ginger is not generally used for washing hair, and there is no expectorant effect. It is recommended that patients who are not feeling well go to a regular hospital in time, and follow the doctor’s instructions for symptomatic treatment.