Vaginal secretion of white stuff in a 10-year-old girl may be a normal phenomenon, or it may be a disease factor, which can be observed and treated, antibiotic drug treatment, anti-trichomonas drug treatment and so on. 1. Observation and treatment: the change of sex hormone level in the body of a 10-year-old girl may cause vaginal secretion of white stuff, which may be a normal phenomenon, and can be observed and treated. 2. Antibiotic treatment: If a 10-year-old girl develops vulvovaginitis or vaginitis caused by bacterial infection, antibiotic drugs such as erythromycin ointment can be used to apply local treatment. 3. Anti-trichomonas medication: If a 10-year-old girl develops vulvovaginitis or vaginitis caused by trichomonas infection, she can use metronidazole injection or tinidazole injection for local cleansing treatment. A 10-year-old girl with white vaginal discharge should see an obstetrician and gynecologist to decide how to handle the situation. All of the above medications should be used under a doctor’s supervision.