To treat lung affected by wind-heat; however, for cases of lung cold with internal fire, where the etiology stems from cold, it is more suitable. Sangpi (Sangbaipi, Pericarpium Citri Reticulatae White Flesh? No, Sangbai Pi is Cortex Mori) drains lung qi, but its nature is not purely benign; excessive use should be cautioned against. Alternatively, one may use Ziwan (Asteris Radix, Aster Root) to clear lung fire and tonify the lung. Use a larger amount of Shengjiang (Ginger, Rhizoma Zingiberis Recens) because its pungency can disperse pathogenic factors. Gualouzi (Trichosanthis Semen, Trichosanthes Seed) naturally moistens the lung, and its cold property can descend fire. Since the lung is constrained by fire and loses its descending function, now aided by the sweet, mild, and descending properties, phlegm will naturally descend. Thus, it is apt to be an essential herb for treating cough. These are all prescriptions that treat symptoms upon their appearance, addressing transient conditions by relying on this...