Betel nut poisoning should be treated immediately in a hospital emergency room. The symptoms of betel nut poisoning are mainly drooling, vomiting, preferring to sleep, and even convulsions and so on. In the process of rescue, the main artificial vomiting, first make the betel nut in the stomach to vomit out, at the same time with diarrhea to make the intestinal betel nut, or undigested betel nut excretion, through these two methods can reduce the digestion and absorption of betel nut. Atropine can also be injected subcutaneously to dilate the pupils and increase the heartbeat, to relieve the damage caused by betel nut, and also to relieve abdominal pain. In particular, patients with severe betel nut poisoning will develop respiratory failure and should be given symptomatic treatments such as oxygenation as well as being placed on a ventilator, and if necessary will be referred from the emergency room to the ICU for intensive care.