Ginger water is made from the Chinese herb ginger boiled in water, which has the effects of relieving cold from the surface of the body (removing the cold from the surface of the muscle) and stopping vomiting; and half-summer has the effects of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness with the medicine) and stopping vomiting. Ginger Ginger has the effects of relieving surface cold, warming the spleen and stomach to stop vomiting, resolving phlegm and relieving cough, and detoxifying fish and crab. It is used in treating wind-cold cold, cold stomach and vomiting, cold phlegm and cough, and fish and crab poisoning. Semen xia has the effects of drying dampness and resolving phlegm, lowering the rebelliousness and stopping vomiting (stopping the upward flow of stomach qi, stopping vomiting), and subduing lumps and dispersing lumps and knots. It is used in treating damp phlegm and cold phlegm, cough with excessive phlegm, phlegm-drinking vertigo and palpitation (vertigo and palpitation due to phlegm-drinking evils upward), wind-phlegm vertigo, phlegm-convulsive headache (headache caused by phlegm-evil obstructing qi), vomiting and regurgitation, chest and epigastric plangency, and prunus nucleus qi (similar to pharyngeal synesthesia). Ginger water and half-summer must be used under the guidance of a professional Chinese medicine practitioner and not used indiscriminately, of which half-summer should not be used with Chuanwu, Prepared Chuanwu, Caowu, Prepared Caowu, and Appendicitis.