Lung heat and intestinal heat belong to the Wei and Qi phases of exogenous fever, and the commonly used clinical regulating prescriptions are Yin Qiao San and Da Cheng Qi Tang. 1. Yin Qiao San: Yin Qiao San is composed of honeysuckle, forsythia, platycodon, peppermint, edamame, tamarind, burdock, thorns, rehmannia, and licorice. The efficacy of Yin Qiao San is pungent, cool and transmissible (using pungent and cool medicines to transmute and disperse the evil qi of the muscle surface), clearing heat and removing toxins. It is mainly used for treating the fever caused by the initial onset of the warm disease, with a slight aversion to wind-cold, no sweat or sweat without smoothness, thirst, headache, sore throat and cough, with a red tip of the tongue, a thin white or yellow moss, and a floating number of pulses. 2. Dachengqi Tang: Dachengqi Tang is mainly composed of rhubarb, Houpu, Citrus aurantium, manganese nitrate and other drugs. The main effect of Da Cheng Qi Tang is to cool down the heat knot, the main treatment due to the evil heat stagnation, blocked in the intestines and bowels due to the Yangming bowel solid evidence. The main symptoms are impassable bowel movements, frequent farting, abdominal plumpness (stomach distension and discomfort), abdominal pain, refusal to press, hardness, or even delirium with hot flashes (gibberish), sweating with yellowish and dry tongue coating, or burnt black and cracked, with a solid pulse. Depending on the patient’s individual constitution and condition, the specific prescription should be flexibly added or subtracted according to the TCM doctor’s diagnosis and treatment, and should not be used blindly by the individual.