If the urine line is thin after the cure of hypospadias, it is recommended to go to the hospital and have relevant examination to know the reason of thin urine line. First, if there is a combination of postoperative infection, there may be frequent urination, urinary urgency or thin urination. After the infection may appear local edema, need to actively anti-infection treatment, after the infection completely healed, observe whether the urinary line back to normal. Second, if there is a urethral anastomosis after the narrowing, according to the degree of narrowing, the choice of urethral dilatation treatment. However, urethral dilatation needs to be dilated regularly in outpatient clinic, such as dilatation once in 5-7 days interval, until it returns to normal. Third, further examination to understand whether there is a urethral fistula, because the urethral hypospadias surgery, anastomotic fistula can occur, then there may be a thinning of the urinary line, and accompanied by leakage, etc., if necessary, need to be surgically repaired and other treatments.