Eat betel nut tongue on both sides of the rotten if only simple accidental injury, need to eat less or do not eat betel nut use of medication, may also be the manifestation of the tumor need to consider surgical resection. 1. Accidental injury. Long-term chewing betel nut may cause accidental injury to the tongue, resulting in bleeding and breakage of the development of ulcers, the need to refrain from eating betel nut, grinding the oral cavity sharp tooth tip, eat less stimulating food, the use of tongue ulcers, Prednisone or Cediriodine tablets and other drugs to promote the healing of the ulcers. 2.Tumor. Betel nut is a carcinogen, may cause oral cancer, if the tongue on both sides of the deep large ulcers and pain, long-term non-healing symptoms, need to be alert to tongue cancer, if the diagnosis of cancer need to carry out cervical lymphatic tissue scavenging and tongue tissue excision. If you are diagnosed with cancer, you need to undergo cervical lymphatic tissue removal and tongue tissue resection. If you eat betel nut and the two sides of your tongue are rotten, it is recommended that you go to the hospital in time for checkups and treatments, and you should follow the doctor’s instructions for medication.