It is a common disease of the urinary tract. Stones can be found in any part of the kidney, bladder, ureter and urethra. However, kidney and ureteral stones are the most common. The clinical manifestations are sudden onset, severe lumbar pain, mostly continuous or intermittent pain, and radiation along the ureter to the iliac fossa, perineum and scrotum; hematuria or pus urine, difficulty in urination or interruption of urine flow, etc. Health education: 1. Drink a lot of water: to increase urine volume and dilute urine, which can reduce crystal deposition in urine. Adults keep the daily urine volume above 2000 ML, especially drinking water before bedtime and in the middle of the night will have better effect. 2.Relief of local factors: Early relief of urinary tract obstruction, infection, foreign body and other factors can reduce stone formation. 3, follow-up: after treatment, regular urinalysis, X-ray or B-ultrasonic examination. Observe whether there is recurrence and residual stones. If there is back pain, hematuria and other symptoms, seek medical attention in time. 4. Dietary contraindications: a. Patients with this disease should not eat cholesterol-containing animal liver, kidneys, brain, sea shrimp, clams and crabs. b, less food containing oxalic acid, calcium, such as spinach, rape, kelp, walnuts beets, chocolate, milk powder, sesame paste, pickled scallops, etc.. c, it is best not to drink alcohol, strong tea, strong coffee. 5, diet appropriate: a, patients suffering from this disease diet should be light, low protein, low fat-based. b, the diet should be diversified, rich in nutrients and vitamins, such as fresh vegetables, cucumbers, beans, mung bean sprouts; fresh fruit, such as apples and pears, watermelon, grapes, etc..