After the appearance of antibiotic allergy can be treated as follows: 1, the symptoms are mild, such as the appearance of red rash, itchy skin. It can be observed at home first, with some anti-allergic drugs, such as kairetan, phentolamine, etc.; 2, the emergence of unconsciousness, wet and cold extremities, and even changes in consciousness, or even shock and other symptoms. It should be sent to the hospital promptly to notify doctors and nurses, and transferred to the intensive care unit for resuscitation. The clinic can provide resuscitation treatment by rehydration, elevating pressure, and using epinephrine to improve vascular tone.