There is no relevant literature or reports stating that drinking Shuanghuanglian can cause the symptom of blackened stools. Shuanghuanglian, Shuanghuanglian Oral Liquid, Shuanghuanglian Capsules, Shuanghuanglian Granules and other forms, composed of honeysuckle, forsythia, scutellariae, its efficacy is to clear away heat and detoxify the toxin (to remove the body’s heat and toxicity of the evil qi), to ease the wind and relieve the epidermis, and it is mainly used for the treatment of colds and flu resulting from wind-heat, which are characterized by sore throat, coughing, fever, etc.. Taking Shuanghuanglian Oral Liquid individual patients or patients with allergies may experience allergic reactions such as skin itching, rash; or nausea, vomiting, abdominal pain, diarrhea and other mild gastrointestinal reactions. Shuanghuanglian capsule contraindications and adverse reactions are not clear. Shuanghuanglian granules contraindications and adverse reactions are not clear. It should be noted that if patients taking Shuanghuanglian preparations experience other uncomfortable symptoms, it is recommended to ask a doctor immediately to avoid delays.