It is not clear whether Zelig 30g will have nephrotoxicity. However, the clinical dosage of zedoary is generally 6g to 10g, overdose use may damage the body, it is recommended to follow the doctor’s instructions to use the drug, do not blindly use the drug. Zelda, sweet taste, light, cold nature. It belongs to the kidney and bladder meridians. It has the effect of inducing diuresis and seepage of dampness (promoting the operation of water to get rid of dampness), draining heat, resolving turbidity and lowering lipids (clearing the body of impurities and reducing excess body fat). Clinically, it is mostly used for urinary dysuria, edema and distension, diarrhea and urination, phlegm (pathological products formed by water metabolism disorders), dizziness, and so on. Zedoary and Poria, Poria, Atractylodes macrocephala, Gui Zhi with the treatment of bladder qi unfavorable storage of water; often with Sang Bai Pi, betel nut, red Poria with the treatment of pregnancy edema, wheezing and shortness of breath. It is also used in the treatment of hot drenching of the bladder with dampness-heat condensation (dampness and heat evils accumulate with each other in the body), short and red urine (small amount of urine, dark yellow in color), and astringent and painful drenching, and is often used in combination with Psyllium Hederariae and Mucuna Pruriens to enhance the function of clearing heat and clearing the drenching. It is prohibited to be taken by people with kidney deficiency and no dampness or heat. If you need medication, you should go to the hospital for a clear diagnosis and be prescribed by a doctor, and should not blindly use medication on your own to avoid adverse effects on your body.