Surgery for hypospadias does not involve the gastrointestinal tract, so a normal diet is fine after surgery. Often the medical staff will order more water or more fluids, why is this? 1. Eating a little more fluid properly makes the urine volume abundant, which is helpful in preventing secretions from blocking the urethra and accumulating in the urethra and reducing the occurrence of infections; after all, running water does not rot and plays a flushing role. Sufficient water also helps to soften the stool and reduce constipation. 2, for the prevention of urethral strictures, is not likely to help, or will not directly reduce the occurrence of strictures. A urinary catheter left in place for true strictures, with metal urinary expansion, will not solve the problem at all, not to mention the soft urine. 3, each child’s habits are not good, so the amount of water intake is different, as long as the urine volume is clear. Do not fill the child with water like a tortured revolutionary martyr. Too much liquid intake is not good for nutrient absorption. Water intake, in addition to liquid beverages such as plain water, fruit, soup, etc. are available, as long as the total amount of liquid intake is sufficient. 4, as for rehydration, but all doctors know, as long as you can drink, try to take orally, the effect is good and safe. The so-called supplemental fluids are nutrition, it is a folk misconception.