Girls external itching generally refers to the vulvar part of the skin itching, this situation may be seen in vulvitis, vulvar eczema, pubic lice disease, in the treatment is mainly given anti-inflammatory, insecticidal, antipruritic and other medications, at the same time, to actively treat the original disease, pay attention to hygiene. 1. The cause of vulvovaginitis is related to vaginitis, urethritis and other diseases, and the treatment is mainly anti-inflammatory, such as local topical mupirocin cream, oral amoxicillin capsule and so on. When the itching symptoms are serious, you can take some oral antipruritic drugs to relieve the symptoms, such as loratadine tablets. For the existence of vaginitis or urethritis, must be under the guidance of the doctor according to the course of anti-infection treatment. 2. Vulvar eczema is a kind of inflammatory skin disease formed due to the stimulation of many internal and external factors, and the treatment is mainly based on topical medication, such as topical Denard cream. When the itching is particularly severe, you can also take appropriate anti-itching drugs to relieve, such as levocetirizine hydrochloride capsules. 3. Pubic lice disease is caused by pubic lice parasitized on the vulvar body hair biting the skin, often manifested as a rash, itching and other symptoms. At this time can be used externally sulfur ointment, benzoate emulsion and other drugs. In addition, patients need to pay attention to personal hygiene, change of intimate apparel need to be thoroughly sterilized, avoid sharing personal items with others. Girls external itching, it is recommended to go to the hospital in a timely manner, to identify the cause, symptomatic treatment, the above drugs need to be used in accordance with medical advice.