Anaphylaxis is a more serious shock, is a serious systemic allergic reaction triggered within a short period of time after some external antigenic substances have entered the sensitized organism, sudden and intense, if not treated in a timely manner can often be life-threatening. In the process of anaphylaxis rescue, the most critical thing is to keep the airway open and maintain effective respiratory and circulatory functions, as follows: 1, immediately get rid of the allergen or allergenic substances; 2, ensure that the patient’s airway is open, immediately give oxygen, and if necessary, give tracheal intubation; 3, establish intravenous access, pay attention to monitoring the patient’s vital signs, especially heart rate, blood pressure and respiratory conditions; 4, actively carry out Anti-allergic treatment, commonly used drugs, including epinephrine, glucocorticoids, paracetamol or promethazine, but the above drugs need to be used under the guidance of a professional doctor; 5, the occurrence of respiratory and cardiac arrest, should be emergency cardiopulmonary resuscitation rescue treatment.