The oral liquid for clearing heat and detoxicating has the effect of clearing heat and detoxicating. It is mainly used to treat fever, red face, irritability, thirst, sore throat and other symptoms caused by excessive heat toxin. Influenza and upper respiratory tract infection can be seen in the above syndromes. It is a pure Chinese medicine preparation composed of gypsum that can clear heat and purge fire, honeysuckle, forsythia, isatis root, and rehmannia that can clear heat and detoxify, reduce swelling and throat, scrophularia root and rehmannia root that can clear heat and thirst, gardenia that can clear triple energizer damp heat, astragalus root that can clear lung fire, gentian root that can clear liver and gall fire, anemarrhena root and ophiopogon japonicus that can nourish yin and moisten lung, clear heart and eliminate annoyance. This medicine is cold in nature, and should not be used if the spleen and stomach are weak and cold, the qi is weak, and the sores are clear. Avoid smoking, alcohol, and spicy, raw, cold, greasy food during taking medicine. Patients with fever and body temperature exceeding 38.5 ℃ should go to the hospital.