Acetaldehyde poisoning should be timely detached from the acetaldehyde environment, keep the airway open, go to the hospital as soon as possible, when the condition is serious, should call 120 help, if necessary, cardiopulmonary resuscitation. If the inhalation of acetaldehyde poisoning, should be promptly detached from the scene of poisoning, as far as possible to stay awake, breathing fresh air, as soon as possible to the hospital emergency; if the skin contact poisoning, to take off the contaminated clothing, can be flushed with soapy water, and at the same time, as soon as possible to the hospital; if you take the acetaldehyde poisoning, you should drink a lot of water to induce vomiting, and go to the hospital to wash the stomach. It is worth noting that if the poisoning of patients in an emergency situation, should quickly dial 120, waiting for the ambulance to arrive, if there is respiratory and cardiac arrest, should be carried out as soon as possible cardiopulmonary resuscitation.