Severe pain after dental veneers is usually caused by gingivitis, pulpitis, and bite pain. It is recommended to identify the causes and then treat the symptoms. 1. Gingivitis: If there is localized gingivitis, toothache, redness and swelling may also occur, which can be examined to remove the causative factor and topical medication. For example, iodized glycerin or minocycline hydrochloride. Operation and medication need to be operated by a doctor. 2. Pulpitis: severe pain after veneering is considered to be pulpitis, and it is recommended to remove the crown as soon as possible and then root canal treatment. 3. Occlusal pain: after veneering, there will be a very obvious high point when the upper and lower teeth bite together, usually there will be pain after biting, it is recommended to grind the high point as soon as possible. It is recommended that patients go to the hospital in time, under the guidance of the doctor reasonable treatment.