The effects of ginger are to relieve cold (removing cold from the surface of the muscles), warming and stopping vomiting (treating vomiting caused by stomach cold by warming the spleen and stomach), resolving phlegm and relieving cough, and detoxifying fish and crab. It does not have the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body) to relieve pain. The Chinese medicine ginger is the fresh rhizome of the ginger plant of the ginger family. It can be produced in most parts of the country. It is harvested in fall and winter. It can be used raw. This product is slightly warm and pungent in flavor. It belongs to the lung, spleen and stomach meridians. Clinically, it can be used to treat wind-cold cold, lung-cold cough, wheezing and shortness of breath, nausea and vomiting, abdominal pain and distension, edema, stroke and phlegm congestion, rheumatism paralysis and so on. Adverse effects are not clear, and should not be taken by people with Yin deficiency and internal heat. Patients who are not feeling well are advised to consult a doctor and use the medication as prescribed by the doctor.