Ginger is pungent in flavor and warm in nature, and is not to be taken by those with heatiness and internal heat of yin deficiency. If taken, it may cause symptoms of fire, such as sores on the mouth and tongue, constipation, and so on. Ginger is a kind of traditional Chinese medicine, pungent in flavor, warm in nature, belonging to the lung, spleen and stomach meridians, for the fresh rhizome of ginger, a plant of the ginger family. The effects of ginger are to relieve cold (removing cold from the surface of the muscles), warming the stomach and stopping vomiting (warming the spleen and stomach to treat vomiting caused by stomach cold), and warming the lungs to stop coughing (warming the lungs to stop coughing), and detoxifying the toxin. In Chinese medicine, ginger is mainly used to treat wind-cold cold, cold spleen and stomach, and can also be used to treat stomach-cold vomiting, lung-cold cough and other diseases, as well as to detoxify fish and crab. Ginger is contraindicated for people with heatiness and internal heat of yin deficiency, and if taken may cause symptoms of fire, such as mouth and tongue sores, constipation, and so on. Before using the medicine, patients should use the medicine under the guidance of a Chinese medicine doctor’s diagnosis, and please go to the hospital in time for consultation if any uncomfortable symptoms occur.