Seven-year-old girl underpants with secretions is usually not normal, may be caused by habits, may also be caused by pathological reasons, as follows: 1, habits: pay attention to the child is not because they do not have to develop the habit of cleaning up the vulva with handkerchiefs after urination, resulting in urine left in the underpants, at this time to teach the child to clean up in a timely manner with handkerchiefs can be. 2, caused by pathological reasons: common vulvar infections, which is also known as vulvitis. Vulvovaginitis. After the vulva has been infected with inflammation and infection, the children will complain of local itching, pain and burning, discomfort, at this time, look at the child’s vulva, you will find that the local skin has redness and swelling, often combined with eczema, or even ulcers, vesicles, and so on, the secretion from this, at this time, there may be pain in urination, and need to be treated with anti-bacterial and anti-inflammatory drugs. The discharge from localized infection is yellow and has a distinct odor. There is also a situation where some girls have discharge on their underwear due to sexual development, and at the same time, it can be found that the child has enlarged breasts, rapid growth in height, and advancement in bone age, etc. At this time, it is necessary to go to the Department of Child Growth and Development or the Department of Endocrinology for consultation and timely intervention.