Symptoms of poisoning: nausea, vomiting, abdominal and diarrhea, and pain in the mouth and throat. 1, skin contact: immediately take off contaminated clothes, wash the contaminated part with plenty of water, wash it with water and soap. If skin irritation persists, consult a doctor. 2, eye spatter: immediately open the eyelids, rinse with plenty of water for at least 15 minutes, serious medical treatment. 3, inhalation: immediately transfer the inhaler to a place with fresh air, serious medical treatment. 4, when taken by mistake: immediately carry this label to the nearest medical emergency, time is life. If the person does not vomit, immediately dissolve two spoons of bleached earth or medical activated carbon in 1 cup of water and give it to the person who has taken it by mistake. (Note: For coma patients, do not feed anything through the mouth or induce vomiting.) Symptomatic treatment, no special antidote, poison advisory telephone: 010-83132345.