Hai Jin Sha can be used to treat kidney stones, but it is recommended to use it with other Chinese medicines for better results. Kidney stone belongs to the Chinese medicine stone shower (discharge of gravel when urinating, or sudden interruption of urination, pain in the urethra, intolerable pain in the waist and abdomen), mostly due to dampness-heat condensation (dampness and heat in the body of each other to build up) in the lower Jiao, the kidney and the bladder qi unfavorable caused by. Hai Jin Sha is the dried mature spores of the plant Hai Jin Sha family. It is sweet, salty, cold in nature, and belongs to the bladder and small intestine meridian, with the effect of clearing dampness and heat, and relieving pain through gonorrhea. Hai Jin Sha is used for heat drenching (burning and stinging pain when urinating, accompanied by urinary frequency and urgency, and abdominal discomfort), stone drenching, hemorrhagic drenching (the appearance of blood in the urine accompanied by pain), cream drenching (urine turbid as rice soup or slippery as grease, accompanied by urinary frequency and urgency, and abdominal discomfort), and urinary tract astringent pain. Stone drenching patients manifested in the urine sand and gravel, urinary astringency, or urination suddenly interrupted, urethral distress pain, abdominal constriction (abdominal traction discomfort), one side of the waist and abdominal pain intolerable, or even pulling to the vulva, with blood in the urine. For treatment, medicines such as Hai Jin Sha, Shi Wei, Dong Qui Zi, Qu Mai, Talc, and Che Qian Zi can be used to clear away heat and relieve dampness (removing heat and dampness in the body), and to remove stones and clear the drenching. If there is any related condition, it is recommended to be treated under the guidance of a professional physician to identify the symptoms, and not blindly self-medication.