Kidney stones with fluid accumulation of two centimeters for two months is the need for medical treatment, usually after the treatment of the primary stone, the hydronephrosis can be relieved, depending on the specific circumstances of the drug or surgical treatment. 1. medication: if the stone is located in a low position, the volume is small, can take conservative treatment, can take oral stone particles to promote the discharge of the stone. Pain caused by stones can be injected with progesterone, scopolamine, etc. Drinking more water and exercising will also help the stones to be discharged from the body. 2. Surgery: If the effect of medication is not good or the size of the stone is large and not easy to be discharged, extracorporeal shock wave lithotripsy, ureteroscopy lithotripsy, percutaneous nephrolithotripsy and other surgeries can be carried out. It is recommended to seek medical treatment as soon as possible and use medication as prescribed by the doctor to avoid adverse consequences.