Dental veneers may cause skin allergies depending on the material used. Among the veneer materials, the resin-metal base of removable dentures or the metal lining of porcelain teeth have a certain chance to cause skin and mucous membrane allergy; in which allergic people or people who use ordinary non-precious metal materials are more prone to allergic reactions. The main symptoms of allergy include redness and swelling of the gums and mucous membranes, skin pimples or itching, etc. In severe cases, symptoms such as respiratory distress and shock may occur. Therefore, before dental veneer treatment, we must choose the appropriate restorative materials under the guidance of the doctor; in particular, allergy sufferers must inform the dentist in advance, and if necessary, conduct a multidisciplinary consultation in order to avoid the symptoms of allergy after veneers. If the symptoms of allergy after dental veneers, it is recommended to consult a doctor in time for symptomatic treatment to prevent delays in the condition.