Drinking dried ginger in water has the effect of warming the middle Jiao, dispersing cold (using medicine to warm the spleen and stomach to disperse cold), warming the lungs and transforming drinks (promoting the operation of stagnant fluid by warming the lungs), and can relieve cold pain in the epigastric region (cold pain in the stomach and abdomen), vomiting and diarrhea, and cold limbs with a weak pulse. Dried ginger is hot, pungent and dry, and enters the spleen and stomach meridians, while it is good at warming the center, dispersing cold, and strengthening spleen yang, making it the main medicine for warming the middle Jiao. For treating cold pain in the epigastrium and abdomen, it is often used with galangal; for treating watery diarrhea in the middle chilly area, it can be used with Codonopsis pilosulae and licorice; for treating vomiting and vomiting in the dry areas, it is often used with bianxia, which is used to enhance the effects of warming the middle Jiao and dispersing cold, and lowering the rebelliousness of vomiting. Dried ginger is hot and pungent, and enters the heart, spleen and kidney meridians. It has the effect of warming the yang and guarding the center, restoring the yang and clearing the veins, so it is often used together with Radix et Rhizoma Polygoni Multiflori for the treatment of yang death. Dried ginger is hot and pungent, and enters the lung and spleen meridians. It can warm the lungs to disperse cold and dissolve drinks, and warm the spleen to transport water to eliminate phlegm. It is often used in conjunction with Xin Xin, Ma Huang and Wu Wei Zi to treat cold drinks, asthma and coughing, cold form (cold body), cold back, and sputum, often used in conjunction with Xiao Xin, Ma Huang and Wu Wei Zi. It is prohibited to be used in cases of yin deficiency and internal heat, or blood heat. Pregnant women should take it with caution. However, the effective dose of the infusion is limited and it is difficult to achieve the above effects. If you need this medicine to treat the disease, it is recommended to carry out scientific treatment under the guidance of a doctor.