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For the same disease, there are different syndromes; therefore, when treating with medicated powders blown into the throat, one must distinguish between appropriate and inappropriate applications, rather than applying a single formula universally. For instance, *Jinsuo Shi Bingpeng San* (Golden Lock Key Ice and Borax Powder) from *Waike Zhengzong* (Orthodox Manual of External Medicine) is indicated for *Houfeng* (Throat Wind) presenting as an Excess syndrome, and is not suitable for *Baifu* (White Putrefaction). Moreover, its efficacy in recent years for various throat ailments has been unsatisfactory, let alone for *Baifu* cases characterized by Dryness or Deficiency. I have often observed practitioners who, regardless of whether the syndrome is Excess or Deficiency, use this powder indiscriminately. Some even add *Chensha* (Cinnabar) to *Lvxue Dan*. They fail to realize that *Yanxiao* (Saltpeter), *Xionghuang* (Realgar), and *Chensha* are harsh, purgative agents; how can they be applied to a throat condition already suffering from putrefaction? Merely blowing these drugs onto the affected area contradicts the pathology, and administering decoctions concurrently is even more contraindicated. Is it not thus that human lives are prematurely cut short?

*Baifu* strictly forbids contact with sour, salty, or astringent substances, such as *Baishuang* (White Frost), plum (*Meizi*), *Jiangcan* (Bombyx Batryticatus), ox gall (*Niudan*), *Danfan* (Alum), *Kufan* (Calcined Alum), *Yaxiao* (Niter), and *Xuanningfen* (Mirabilite). *Lvxue Dan* is only suitable for cases presenting with redness, swelling, visible protrusions, and white putrefactive matter. *Benke Xinwu San* should not be used; if misapplied, the white putrefaction will worsen, and the condition will intensify. *Shengong Dan* is most appropriate, but the *Renzhongbai* (Calculus Ureae/Human Dander) contained within must be aged for decades after exposure to frost and snow to be effective; fresh material is unusable. *Liuhua San* should also not be used recklessly. Regarding *Shexiang* (Musk), *Zaojiao* (Gleditsia Sinensis), and *Lilu* (Veratrum Nigrum), if *Bingpian* (Borneol) is added, the dosage must be small, not large.

Regarding treatment methods: For cases where the interior of the pharynx shows no redness or swelling but presents with white patches, initial treatment must employ Acrid-Cool dispersing methods. In decoctions, only 3-4 fen of *Bohe* (Mint) should be used; excessive use causes profuse sweating and loss of Yang Qi, thereby damaging Lung Qi. If symptoms such as nasal congestion, hoarseness, choking coughs, rapid breathing, and alar flaring appear, *Bohe* is contraindicated. If Acrid-Cool methods prove ineffective, further administration is inadvisable; instead, the focus should shift primarily to nourishing Yin and clearing heat with moistening properties. Regardless of the presence or absence of fever, specifically nourishing Yin will naturally eliminate heat, and the white throat lesions will gradually diminish. Although medical texts do not elaborate extensively on this, once clarified by wise minds, what difficulty remains in treatment?

In children, this disease arises from inherent insufficiency of the Lung and Kidney. When misdiagnosed and mistreated by incompetent physicians with superficial-releasing or purgative formulas, Lung Qi is further damaged, leading to wheezing, nasal congestion, hoarseness, and choking coughs. In cases where the tongue coating has not yet turned black, only frequent administration of *Dushen Tang* (Single Ginseng Decoction) can save a few lives. However, given the exorbitant price of *Renshen* (Ginseng Radix et Rhizoma) in recent times, its application is difficult. Even if great expense is incurred, genuine products are scarce; thus, its use yields little benefit. Physicians possess prescriptions but cannot achieve expected results; is this not perilous?