Dry mouth in a 48-year-old woman may be a physiological phenomenon, related to diet or environment, or it may be due to abnormal salivary gland secretion and burning mouth syndrome. Dry mouth may be caused by a salty diet or high ambient temperatures. Abnormal salivary secretion, such as dry syndrome, can lead to dry mouth with reduced saliva. Burning mouth syndrome is associated with reduced levels of estrogen in the body, anxiety and other factors, 48-year-old women with declining levels of estrogen, but also insomnia and anxiety or emotional instability of the high incidence of people. If the medical consultation diagnosed with this cause, you can use artificial saliva containing, supplemental vitamins, insomnia and anxiety can be used under the guidance of psychiatrists. Therefore, 48-year-old women with persistent aggravation of xerostomia need to seek medical attention in dentistry and neurology.