Ginger has the effect of warming and stopping vomiting (warming the spleen and stomach to treat vomiting caused by stomach cold), warming the lungs and stopping coughing (warming the lungs to stop coughing), etc. Ginger applied to the navel can alleviate the diarrhea, low food intake, vomiting, etc. due to the cold in the middle Jiao or the spleen and stomach cold (spleen and stomach weakness and cold). Ginger is pungent and warm in nature, mainly used for treating cold and flu, cold spleen and stomach, cold stomach and vomiting, cold lung and cough. Ginger applied to the navel can relieve diarrhea caused by cold in the spleen and stomach, cold pain in the epigastric region (stomach and abdomen feel cold and painful) and other symptoms; it can also improve women’s menstrual cramps caused by lower anxiety cold, uterine cold, and bring down the color of the white, clear and dilute such as water and other diseases. Ginger applied externally to the navel is not as effective as decoction taken internally, and can only be used to relieve discomfort. Treatment of disease should be based on the physician’s evidence to guide the use of drugs, do not blindly use their own medicine, so as not to delay the condition.