Ginger is a medicinal food, usually taken in decoction or mashed juice; it is not usually used alone on the soles of the feet. Ginger has the effects of relieving cold (removing cold from the surface of the muscles), warming the spleen and stomach to stop vomiting (treating vomiting caused by stomach cold by warming the spleen and stomach), warming the lungs to stop coughing (stopping coughing by warming the lungs), and detoxifying the toxin. It can be used to treat wind-cold cold, stomach-cold vomiting, lung-cold cough, etc. It can also detoxify fish and crab. This product helps fire and harms yin, so it should not be taken by people with heat and yin deficiency. Adverse effects of ginger is not clear, during the period of taking the diet should be light, avoid smoking, alcohol and spicy, cold, greasy food. If you need to use ginger to treat diseases, must be used under the guidance of a professional doctor.