Shuanghuanglian Capsule has the efficacy of dispersing wind and relieving epidemics, clearing heat and removing toxins, and is used for colds and flu caused by external wind-heat, such as fever, cough, sore throat and other uncomfortable symptoms. The main ingredients of Shuanghuanglian Capsule include honeysuckle, scutellaria baicalensis and forsythia. Adverse effects are not yet clear, but it is relatively safe to use. Avoid smoking, avoid alcohol, avoid spicy, cold, greasy food, should not take tonic Chinese patent medicines during the period of medication, and wind-cold cold patients are not suitable. Diabetes, hypertension, heart disease, liver disease, kidney disease, as well as patients with serious chronic diseases, pediatrics or elderly frail, dosage and usage need to be applied under the guidance of a physician. If the patient’s symptoms are not relieved after 3 days of use, or the fever, cough worsens, and chest tightness, palpitation, shortness of breath, etc., the drug should be discontinued and medical attention should be sought in a timely manner.