Whether you are suffering from kidney stones can be determined by some clinical manifestations, imaging tests and so on. 1. Clinical manifestations: patients with kidney stones often have swelling and pain in the lower back, hematuria, etc. Doctors can assess whether there is a possibility of kidney stones based on the patient’s symptoms and physical signs. When men have kidney stones, there will be localized obstruction of the kidneys, leading to dilation of the kidneys with lumbar pain, lumbar distension or severe renal colic. After strenuous exercise, hematuria may also occur, and the urine color may deepen, turn red, and be mixed with blood. 2. Imaging tests: The appropriate ultrasound, X-ray and abdominal CT of the urinary system are performed to assess the presence of stones in the kidneys. Kidney stones may appear as strong echoes on ultrasound, benign kidney stones appear as dense shadows on X-ray and may not be visible when kidney stones are negative, and CT is able to diagnose more than 99% of kidney stones. After diagnosis of kidney stones, timely treatment, cure should do preventive measures, improve the diet to prevent recurrence of the disease. Precautions: patients with low-calcium diet, reduce the intake of dairy products such as milk, cream and other foods, so as not to increase the burden on the kidneys and thus not conducive to the recovery of the disease.