After the brine poisoning should be timely medical treatment, and can drink soybean milk, vomiting and gastric lavage, medication and other methods for first aid. 1. Drinking soy milk: the main components of brine are magnesium chloride, sodium chloride and some metal ions, brine is commonly used in daily life to make tofu, it is recommended that the patient drink soy milk immediately after brine poisoning, salt brine and soy milk will be mixed with tofu, which can reduce the toxicity. 2. Emetic gastric lavage: If there is no soymilk, you can give the patient rice soup and warm water, and then stimulate the back wall of the throat with a finger or toothbrush, and then emetic gastric lavage for many times, and after gastric lavage, you can give the patient some rice soup or batter to protect the gastric mucosa. 3. Drug treatment: brine poisoning can also be injected intravenously slowly 10% calcium chloride 10 ml or 10% calcium gluconate 10 ml, thus reducing the toxic effect. The first aid method of brine poisoning should be carried out under the guidance of professionals, if the situation is serious, should immediately call 120 to the hospital rescue.