Frequent urination in children can be caused by various factors, including physiological, psychological, and urinary tract infections. Parents can observe their child’s frequency of urination, combined with urine volume and other symptoms, to initially determine the nature of the problem. If frequent urination is accompanied by increased urine volume, it may be due to excessive water intake or dietary polyuria; if it is accompanied by urinary pain and fever, it may be a urinary tract infection; if it is accompanied by thirst, increased appetite, and weight loss, it may be diabetes or diabetes insipidus. Parents can take some measures, such as teaching children proper urination, reducing water intake, or consulting a doctor for medication treatment.