Symptoms of poisoning: Early symptoms are dilated pupils, movement disorders, muscle tremors, and in severe cases, vomiting. Poisoning first aid: 1, if accidentally inhaled, should immediately move the patient to the air circulation; 2, in case of contact with the skin, immediately remove contaminated clothing, rinse with plenty of water and soap; 3, if the splash into the eyes, immediately open the eyelids, rinse with a lot of water for at least 15 minutes, still have discomfort, medical treatment; 4, if taken by mistake, immediately carry this label to the doctor for diagnosis and treatment, induce vomiting and give the patient ipecac syrup or ephedrine, but do not give coma patients vomiting or pour anything. Drugs that enhance the activity of gamma-aminobutyric acid (such as barbiturate, valproic acid, etc.) should be avoided during rescue.