Salt zedoary is a concoction of zedoary. Salt frying can lead the medicine downward, which can enhance the effect of zedoary in nourishing yin, draining heat and inducing diuresis. Zedoary has the effect of diuresis and seepage of dampness (promoting the operation of water to dispel dampness), draining heat, resolving turbidity and lowering fat (cleansing the body of impurities and reducing excess body fat). Zedoary, sweet, light flavor, cold in nature. It belongs to the kidney and bladder meridians. Clinically, it is used for urinary dysuria, edema and distension, diarrhea and urination, phlegm (pathological product of water metabolism), dizziness, heat drenching (burning and tingling during urination, accompanied by urinary frequency and urgency, and discomfort of traction in the abdomen), astringent pain, hyperlipidemia, etc. It is also used for the treatment of dampness-heat impregnation, and for the treatment of diarrhea. Zedoaria treats hot drenching of bladder with dampness-heat accumulation (dampness and heat evils accumulate with each other in the body), short and red urine (small amount of urine, dark yellow color), and astringent pain of gonorrhea, and is often combined with Psyllium Hirsutum and Mucuna Pruriens to enhance the function of clearing heat and promoting gonorrhea. Zedoary treatment of damp-heat downstream of the belt, often with gentian grass, bitter ginseng, cypress. It should be noted that people with kidney deficiency and essence slippery without dampness-heat are forbidden to take it. It should be used reasonably under the guidance of doctor’s diagnosis.