The treatment of dry mouth is diversified, need to find the cause, line targeted treatment, also need to pay attention to the adjustment of daily life. 1. Treatment of the cause: common clinical diseases that cause oral dryness include laryngitis, diabetes, etc. Laryngitis can be treated with penicillin and other antibiotics to fight infection, diabetes treatment of the original disease, you can use hypoglycemic drugs metformin, with insulin injections. 2. Daily care: drink an appropriate amount of water to supplement the daily intake of water. Diet to light, easy to digest, appropriate more fresh vegetables, fruits, such as winter melon, celery, and apples, etc., as far as possible to reduce or do not eat spicy stimulating, greasy food, such as spicy noodles. Pay attention to the cleaning of oral hygiene, keep the lip mucosa moisturized. It is recommended that timely medical examination and treatment, the use of drugs need to comply with medical advice.