Frequent urination in children between 7 and 12 years old needs to be analyzed according to the number of times of urination and the amount of urine. If the amount of urine decreases, the common causes are urinary tract infection, neurogenic urinary frequency, etc. If the amount of urine increases, it may be caused by excessive drinking, diabetes, uremia, etc. If the child urinates more frequently and passes very little urine each time, but the total amount of urine is not abnormal, it may be due to local irritation of the urethra, urinary tract infection, neurogenic dysuria, or bad habits from childhood. If children urinate more often with increased urine volume may be due to dietary factors such as drinking too much water, endocrine diseases such as diabetes mellitus, uremia, etc., renal tubular dysfunction and psychogenic polydipsia and polyuria. Pediatric urinary frequency if accompanied by other symptoms should be timely consultation, clear causes under the guidance of the doctor for treatment.