There is no such thing as which four people should not drink bifidus. Shuanghuanglian oral liquid has certain uncomfortable people, not only four. Shuanghuanglian is composed of honeysuckle, scutellaria and forsythia. It has the efficacy of dispersing wind and relieving epidermis, clearing heat and removing toxins (removing heat and toxicity from the body), expelling wind and clearing heat, and relieving toxins and retracting cataracts. It is used for colds and flu caused by external wind-heat, symptoms include fever, cough, sore throat, and herpes simplex of wind-evil-heat-toxin type, viral dendritic keratitis, upper respiratory tract infections caused by viral and bacterial infections, pneumonia, tonsillitis and pharyngitis. It should be noted that: it is prohibited for those who are allergic to this product or the preparation of Scutellaria baicalensis, honeysuckle and forsythia and the excipients listed in the ingredients or have a history of serious adverse reactions; it is prohibited for patients with a history of allergy to this product; it is prohibited for those who have a hypersensitive body or have a history of severe allergy to similar products; it is prohibited for those who have serious cardiorespiratory insufficiency; it is prohibited for those who are allergic to the main ingredients, and it may cause skin rash, nausea and vomiting and diarrhea. Children 4 years of age and under, pregnant women are prohibited; elderly and critically ill patients should be avoided; cough and asthma, severe angioneurotic edema, phlebitis patients should be avoided; spleen and stomach cold is not suitable for people, will aggravate the symptoms of diarrhea, etc.; cold cold and flu is not suitable for those who have a cold, symptoms of cold and heavy, light fever, nasal congestion, nasal discharge, coughing and sputum white, etc.; due to excipient sucrose, diabetic patients should be used under the guidance of a physician. It is recommended to take Shuanghuanglian under the guidance of a doctor, do not blindly use the drug, in order to avoid adverse reactions or delay the condition.