When the accidental ingestion of sodium nitrite, should be promptly emetic, or gastric lavage, drug detoxification, blood purification and other ways of treatment. 1. induce vomiting: after accidental ingestion of sodium nitrite, stimulate the throat with fingers to induce vomiting, drink a lot of water, avoid strenuous exercise, and timely call 120 for rescue. 2. gastric lavage: combined with their own situation, under the advice of the doctor, through the potassium permanganate gastric lavage, neutralization of sodium nitrite, and then through the magnesium sulfate enema diarrhea, to promote the body’s metabolism and discharge of toxins. 3. Drug detoxification: after accidental ingestion of sodium nitrite, intravenous injection of methylene blue or vitamin C solution can also be used to accelerate detoxification and promote the reduction of methemoglobin. Misuse of sodium nitrite will appear dizziness, nausea, convulsions, diarrhea, respiratory difficulties and other symptoms, after the accidental ingestion of sodium nitrite should be promptly go to the hospital to deal with, to avoid life-threatening.