Shuanghuanglian generally refers to Shuanghuanglian Oral Liquid and so on, and its function is to treat colds, coughs, sore throats, fever and other conditions caused by external wind-heat. Shuanghuanglian Oral Liquid is a kind of proprietary Chinese medicine, with the efficacy of dispersing wind and relieving epidermis (dispersing wind evil to relieve muscle surface evil) and clearing heat and detoxification (clearing heat and toxin in the body), it is mainly used for colds due to external wind-heat and wind-heat-toxic herpes simplex, etc., and it can be used for the treatment of viral and pathogenic bacterial infections caused by stomatitis, upper respiratory tract infections, and pneumonia, with symptoms such as coughing, fever, and sore throat. Shuanghuanglian oral liquid adverse reactions can be seen flushing, chills, fever, rash and other adverse reactions. Allergic to the product, cold and flu, severe cardiopulmonary insufficiency is prohibited. Note that Shuanghuanglian Oral Liquid should not be taken with tonic Chinese medicine. Allergies should be used with caution. If there is a need for medication, it should be used under the guidance of a doctor’s diagnosis, and should not be used blindly on its own to avoid adverse consequences.