1. Operation: Painless hematuria indicates urinary system cancer (bladder cancer, etc.). ), urinary system trauma and stones.
2. Internal medicine: diabetes, nephritis, cystitis, urinary system infection. Rheumatism and other infectious diseases with kidney damage. Systemic lupus erythematosus.
3. Dermatology: gonorrhea. etc
Usually urine test is an auxiliary examination, and a definite diagnosis can be made only by combining clinical symptoms and signs.