If an 11-year-old child has a lot of leucorrhea but no menstruation, it is generally normal if the leucorrhea is not abnormal in nature or smell, because it usually appears earlier than menstruation. The leucorrhea is a female vaginal secretion, made from a mixture of vaginal mucous membrane exudate, cervical canal and endometrial gland secretion, its formation is related to the role of estrogen, 11-year-old leucorrhea indicates that the body has begun to secrete estrogen, and no menstruation at this time, due to hormone deficiency, the endometrium can not thicken, parents do not need to worry too much, under normal circumstances, after a period of time, menstruation will come. After your child has leucorrhea, you need to pay attention to changing underwear regularly and keeping your private parts hygienic. Normal leucorrhea is transparent and odorless. If the leucorrhea is abnormally high, with obvious odor and accompanied by itching and burning, you need to consider the possibility of vaginitis and should go to the hospital for targeted treatment with the cause of the disease, commonly used drugs such as metronidazole. At the same time, it is better to eat a light diet and avoid spicy and stimulating things to avoid aggravation of symptoms.