The functions and effects of Qingkailing Injection are to clear away heat and detoxify (remove heat and toxicity from the body), resolve phlegm and clear the channels (remove phlegm and evil, clear the channels), and wake up the mind and open the mind. The specific use of the drug should follow the doctor’s instructions. Qingkailing Injection is composed of bile acid, porcine deoxycholic acid, buffalo horn (powder), baicalin, mother-of-pearl (powder), gardenia, platycodon, honeysuckle. It is used for fever, dizziness, stroke hemiplegia, delirium; acute hepatitis, upper respiratory tract infection, pneumonia, cerebral thrombosis, cerebral hemorrhage seen in the above symptoms. Adverse reactions of Qingkailing Injection: skin flushing or pallor, rash, itching, dyspnea, palpitations (rapid heartbeat, often accompanied by panic). Newborns, infants, pregnant women, allergy, etc. are prohibited. If there is any discomfort, it is recommended to consult a doctor promptly. If medication is needed, it should be identified by a doctor and regulated according to the doctor’s instructions.