There are many reasons why 7-year-old children urinate frequently, may be physiological urinary frequency, urinary tract infection, neurogenic urinary frequency and other causes, the patient should consult a doctor in a timely manner to clarify the diagnosis. 1. Physiological urinary frequency: patients may usually drink too much water, eat too much diuretic fruits and other reasons, patients with symptoms of frequent urination, at this time patients do not have to worry too much. 2. Urinary tract infection: may be due to pathogenic bacterial infection, patients often have frequent urination, urinary urgency, urinary pain, lower abdominal discomfort and other symptoms. 3. Neurogenic urinary frequency: may be due to the child’s cerebral cortex is not yet perfect, the spinal cord center of the inhibition of the urinary center of the weak, or mental tension and other reasons, the patient often have frequent urination and other symptoms, at this time the patient’s family should pay attention to. There may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.