Ginger Semen Xie is pungent, warm and poisonous, and belongs to the spleen, stomach and lung meridians. It has the effects of drying dampness and resolving phlegm, descending rebelliousness and stopping vomiting, and clearing away lumps and eliminating knots. It is good at drying dampness and resolving phlegm, and is an important drug for treating damp phlegm and cold phlegm. It can be used with Chen Pi and Poria to treat cough, profuse phlegm, white color, chest tightness, nausea and dizziness caused by phlegm-dampness obstruction of the lungs. If excessive phlegm, chest tightness and dizziness are the main causes, Jiang Han Xia can be used in combination with Tian Ma and Bai Zhu. For coughs with yellow, thick phlegm and difficult to vomit, Jiang Bianxia can be combined with Gua Puzu, Scutellaria baicalensis and Gallus gallus. Jiang Bianxia can stop vomiting, and is suitable for all causes of vomiting, especially for vomiting with cold stomach. It is also useful in treating insomnia caused by internal obstruction of phlegm. Ginger is an antiemetic herb that warms the stomach and stops vomiting. Ginger and Pinellia are the ancestral formula for stopping vomiting, so ginger and Pinellia have a stronger antiemetic effect.