Heat cold is wind-heat cold, which is caused by wind-heat. The symptoms of wind-heat cold are body heat, slight malignant wind, poor sweating, dry throat or even sore throat, nasal congestion, yellowish thick mucus, head distension and pain, cough, phlegm viscous or yellowish, and dry mouth wanting to drink, etc. The treatment should be pungent and cool to relieve the surface, dredge the wind and clear away the heat, and the formula is Yin Qiao San with additional subtractions. If there is much fever, add Scutellaria baicalensis, Gypsum, Da Qing Ye; if there is much head distension and pain, add Mulberry leaf, Chrysanthemum, Bauhinia; if there is sore throat, add Radix et Rhizoma Ginseng; if there is cough with yellowish phlegm, add Scutellaria baicalensis, Phellodendron Bark, Piper betel, and if there is thirst for drinking, add Fructus asphodeloides, and Rhizoma Zhi Mai. The adverse reactions and contraindications of this formula are not clear. After discomfort occurs, one should consult a doctor in time and choose medication under the guidance of physician’s diagnosis and guidance, and should not use medication on one’s own in order to avoid delaying the condition.