Toothache can take Merlin, the main component of Merlin is ibuprofen, which is a non-steroidal anti-inflammatory drug with antipyretic and analgesic function, and can relieve mild to moderate pain. Toothache can take Merlin to relieve pain, in order to prevent the stimulation of the gastrointestinal mucosa by ibuprofen, it is recommended to take Merlin half an hour after meals, and not more than four times a day. Toothache is mostly caused by pulpitis, periodontitis, periapical inflammation, pericoronitis of wisdom teeth, caries and other diseases of soft and hard tissues of the teeth. In addition to taking Merlin orally for pain relief, systematic treatment of the teeth should be carried out to solve the pain at root. For example, filling of cavities, root canal treatment, or scaling and cleaning treatment are needed to relieve the pain.