The time of stone removal after taking the pellets is mainly related to the size and location of the stones, clinical data show that most stones under 0.6 mm will be discharged in about 2-4 weeks. If the stones are too large to be expelled by taking the pellets, other treatment options should be considered. Kidney stones are formed when patients are affected by metabolic abnormalities, medications, diet and other factors that cause some components of the urine to form in the kidneys. When the size of the stone is within 0.6cm, and it is recognized by Chinese medicine practitioners as lower jiao damp-heat, the stone can be discharged in about 2~4 weeks by taking oral pellets. However, if the patient’s stones are large in size, surgery may be required to break up the stones. Due to the different absorption and condition of each patient, the contraindications for stone-discharging granules are still unclear, and need to follow the doctor’s instructions for medication. After the discomfort of kidney stone patients, do not blindly abuse the drug, so as not to medication is not appropriate to lead to aggravation of the condition.