There are roughly the following reasons for frequent urination in 7-year-old girls: 1. dietary factors, children prefer to eat sweets or are more likely to like to eat diuretic foods, such as watermelon and other foods, which can lead to the phenomenon of increased urination. 2. life, prefer to wear tight underwear easily stimulate the vulva, thus causing the symptoms of frequent urination to occur. 3. inflammation of the urethra, with inflammation of the vulva or The inflammation of the urinary system can lead to frequent urination, urinary urgency, increased urination, and even cause difficulties in urination, which is an inflammation of the urinary system. 4, neurological frequency of urination, when girls are prone to neuropsychological tension, it is particularly likely to lead to increased urination, and this situation requires psychological diversion intervention. These are the common causes of frequent urination in 7-year-old girls.