Xiyanping Injection has antibacterial, antipyretic and antitussive effects. The drug has obvious bactericidal and bacteriostatic effects on gram-positive bacteria, including pathogenic Escherichia coli, typhoid fever bacteria, S. pneumoniae, S. influenzae, etc.; it has antipyretic effects on the fever of many kinds of endotoxin, pneumococcus, hemolytic streptococcus; it can also diastole tracheal and bronchial smooth muscle, relieve smooth muscle spasm, inhibit plasma secretion, expectorate and suppress cough. So clinically the drug is used in the treatment of bronchitis, tonsillitis, bacterial dysentery and so on. There are adverse reactions such as dizziness, nausea, abdominal pain, flushing and rash after using the drug. It is forbidden for those who are allergic to the product, pregnant women, children under 1 year of age. The product and the drip should be carefully checked before and after preparation and in the process of use, and should not be used when turbidity, precipitation, discoloration, crystallization and other changes in drug properties as well as leakage and cracks in the bottle are found; the patient should be carefully questioned about his/her condition, history of medication and history of allergy before using the drug. If medication is needed, it should be used under the guidance of a physician.