Drinking beer after taking cephalosporin may cause disulfiram-like reaction, which needs to be given anti-allergic as well as infusion and diuretic treatment. Patients who drink beer after taking cephalosporin will soon develop symptoms such as flushing, panic, shortness of breath, chest tightness, palpitations, etc. After the appearance of the above symptoms, they should go to the hospital immediately, and be given anti-allergic drugs such as diphenhydramine, dexamethasone, methylprednisolone, etc., and at the same time be given a large number of fluids. If the patient can drink water can drink a lot of water, if not it is necessary to give a lot of fluids. At the same time give diuretic drugs to accelerate excretion, this can all reduce the absorption of drugs, reduce the emergence of allergic reactions. If the patient has chest tightness, can be given oxygen and airway expansion of drug treatment, such as can be applied to doxophylline, or dihydroxypropyl theophylline symptomatic treatment. If the patient’s heart rate is fast, can be given betalactam to reduce the heart rate. Of course, the main thing is not to drink alcohol and alcoholic beverages within 7 days after taking cephalosporin.