Girls body often out of mucus, usually refers to the vagina often out of mucus, its may be normal vaginal secretions, but also may be ovarian dysfunction, vaginitis, cervicitis and other diseases caused by. 1. Normal vaginal secretion: leukorrhea, which is a mixture of vaginal mucous membrane exudate, endometrium and cervical canal gland secretion, etc. Normal leukorrhea is white, thin paste or egg white, sticky, small amount, no fishy odor. 2. Ovarian dysfunction: due to abnormal follicular maturation and reduced secretion of steroid hormones, endocrine disorders can be caused, resulting in increased vaginal secretions, transparent and viscous, such as a long course of the disease, can be manifested as a vaginal discharge of mucus often. 3. Vaginitis: Vaginal inflammation caused by various pathogenic microorganisms, such as bacteria, fungi, etc., can be manifested as increased vaginal secretion with odor, if the disease is recurrent, it can also be manifested as frequent discharge of mucus from the vagina, which is often accompanied by vulvar itching and burning sensation. 4. Cervicitis: refers to the inflammation that occurs in the cervix of the uterus, which can also be manifested as an increase in vaginal discharge, mucopurulent, thus causing frequent vaginal discharge of mucus, which can also be accompanied by vulvar itching and burning sensation, vaginal bleeding and other symptoms. There are many other causes of frequent vaginal mucus in girls, so they should consult a doctor to identify the cause of the disease and follow the doctor’s instructions for further treatment or therapy.