Ginger powder can be used internally or externally, internally can be decocted into the medicine or into the pills, powder, and externally can be powdered or decocted into the water to wash. Ginger belongs to the diuretic and diaphoretic (promote the flow of water to dispel dampness) medicine in the diuretic and drenching (to improve the problem of urine dribbling, small amount of urine does not pass) medicine, the family belongs to the rhizome of Dioscoreaceae plant Pinkback Dioscorea. Ginger is also known as Dioscorea opposita. Ginger is sweet, bitter and flat. It enters the heart meridian, stomach meridian, liver meridian and spleen meridian. Ginger can be used internally and externally. Ginger has the effect of inducing dampness and dispelling turbidity, dispelling wind and removing paralysis, and is used in the treatment of wind-cold paralysis and pain, anaesthesia and drenching (urine as turbid as rice soup or slippery as grease, accompanied by frequent urination and urinary urgency, and discomfort of traction in the abdomen), excessive leucorrhea, unfavorable joints, and pain in the lumbar and knee. Adverse effects of Ginger are not clear. Those who are allergic to yellow ginger are forbidden to drink yellow ginger in water. Please use under the guidance of a professional Chinese medicine practitioner if necessary.