After using the oral mucosa shedding if it is allergic, consider replacing the toothpaste, micronutrient deficiencies, the need to supplement vitamins, dryness needs timely supplemental water. 1. Toothpaste allergy: allergic to certain ingredients in the toothpaste, the use of an allergic reaction, can appear local oral mucosa tingling sensation, accompanied by mucosal shedding, need to stop using this kind of paste, timely replacement of other categories of toothpaste. 2. Lack of trace elements: unbalanced nutrition, calcium, iron, zinc, copper and other trace elements in the body of the lack of the phenomenon can occur in the oral mucosa shedding, the use of toothpaste has little to do with the need to supplement trace elements in a timely manner, pay attention to dietary comprehensiveness, to avoid picky eating. 3. Dryness: the climate is too dry, the body lack of water, mucous membrane peeling phenomenon, the need to drink more water, timely replenishment of body water. After the use of toothpaste, the oral mucosa peeling, we should consult a doctor in time to find out the cause of the disease, symptomatic treatment.