Patients with urethral stones need to pay attention to the following categories in their diet: 1, patients with urethral stones should not eat foods rich in oxalates, most stones belong to calcium oxalate stones, so they should limit the intake of foods rich in oxalic acid, including celery, beans, beets, chocolate, grapes, bananas, parsley, spinach, strawberries, etc. Avoid alcohol, caffeine, tea, dried figs, mutton, walnuts, etc.; 2. Patients with urethral stones should not eat seafood, such as food from seawater products, shrimp, crab, etc. It is recommended to eat as little as possible; 3. Patients with urethral stones should not drink milk before going to bed, milk contains more calcium, which may aggravate urethral stones.