There are some children who show weakness in urination. The causes of urinary weakness in children can be divided into congenital and acquired, i.e., acquired, as follows: 1. congenital causes: including possible urethral stricture, whether there is forcefulness of the forced urinary muscles, whether there are abnormalities in the development of the central nervous system, such as brain neuroma or some tumors growing in the spinal cord, etc.; 2. acquired causes: i.e., such acquired factors including urinary tract infections, and one is a psychogenic urinary disorder. The most common cause of urinary weakness in children is mainly urinary tract infection. At the same time, after the occurrence of urinary tract infection, children will have some symptoms of frequent, urgent and painful urination. The most common causes of urinary tract infections in children are circumcision and prepuce, in fact, there is also an excessive bladder reaction, and a reflux of urine, some patients may have stones, these and other reasons can lead to weakness of urination in children. After the onset of symptoms, it is recommended that the family take the patient to a specialized hospital for ultrasound and routine urinalysis. After the basic tests are screened, a professional doctor will make a judgment as to which one belongs to the group and provide targeted treatment.