Patient: The patient is now 34 years old and has had stones for several years. Recently, she has been suffering from back pain and red urine (caused by bleeding), and an ultrasound revealed that the stones had fallen into the renal pelvis. The Chinese medicine is now relieving, but soon it will come back. The symptoms are back pain and bleeding in the urine. The doctor said it would hurt to get rid of the stone, which is a bit of a problem. The doctor said it would hurt to get rid of the stone. Patient: Hello, Dr. Ding, thank you for your reply, we don’t seem to have the conditions to do this, the patient’s stones are negative, what is the role of this imaging test, can the patient do surgery, which method is better to solve. Ding Qiang, Department of Urology, Shanghai Huashan Hospital: An intravenous pyelogram can find out the size, number and location of the stone and its effect on the function of the kidney on that side, as well as the function of the kidney on the opposite side. If the stone is negative, a CT scan can be considered instead. The decision of treatment should be made based on the above-mentioned information.