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Yangyin Qingzao Decoction: Treats Yin deficiency of the Lung and Kidney, onset caused by dryness pathogen, with symptoms such as sore throat, white putrid matter, stranglehold wind (Tianhou), as well as white sores on the mouth and tongue, oral thrush, lip sores, etc. Although this prescription is plain and unremarkable, its efficacy is swift and miraculous; it is indeed a bridge for the treatment of throat diseases. Laozi said: "The inferior scholar hears the Great Way and laughs at it; if they did not laugh, it would not be the Way." Similarly, hearing this prescription, one may laugh; if they do not laugh, it would not be considered a proper prescription.

Sheng Dihuang (Rehmanniae Radix Preparata) - 2 qian
Da Maidong (Ophiopogonis Tuber) - 2 qian
Chuan Beimu (Fritillariae Cirrhosae Bulbus) - 8 fen
Fen Danpi (Moutan Cortex) - 8 fen
Xuanshen (Scrophulariae Radix) - 1 qian
Bohe Ye (Menthae Haplocalycis Herba) - 3 fen
Sheng Gancao (Glycyrrhizae Radix et Rhizoma) - 5 fen

Decoct in 1.5 zhong of water until reduced to 0.5-0.6 zhong, take warm.

If fever is present, do not rigidly adhere to whether there is an exterior syndrome; simply administer according to this prescription, and the fever will subside spontaneously. If nasal congestion, hoarseness, aphonia, or急促 breathing occur, remove Bohe Ye and add Yuzhu (Polygonati Odorati Rhizoma) 2 qian and Beishashen (Glehniae Radix) 2 qian. If the tongue coating is yellow and lips are dry, add Zhen Chaihu (Dendrobii Caulis) 1 qian. For lung heat cough, add Gongsangye (Mori Folium) 3 slices. For constipation lasting three to four days without bowel movement, add Bada Xingren (Pruni Armeniaci Semen Amarum, peeled and core removed, ground into powder) 8 fen and Heihema (Sesami Fructus Niger) 3 qian, or Huomaren (Cannabis Fructus) 2 qian may also be used. In cases of epidemic dryness plague that spreads easily, add Chen Renzhonghuang (Human Excrement from Aged Dung Pit) 3 fen. For excessive yin fire causing dry and unmoistened throat, add Shu Dihuang (Rehmanniae Radix Preparata) 3 qian, Tianmendong (Asparagi Radix, heart removed) 2 qian, and Nvzhenzi (Ligustri Lucidi Fructus) 1 qian. If belonging to weak constitution with floating, rapid, and forceless pulses, or persistent tidal fever, remove Sheng Dihuang and heavily use Shu Dihuang, and the heat will naturally dissipate. If the white putrid matter has decreased but some remains lingering in the throat unable to clear completely, one must also heavily use Shu Dihuang up to 5-6 qian, and the whiteness will disappear. Repeatedly verified effective, confirming the pathology lies in the Lung and Kidney. If the white putrid matter in the throat has completely cleared, one can use Chao Baishao (Paeoniae Radix Alba, stir-fried) 8 fen and Tian Baihe (Lilii Bulbus) 2 qian to consolidate Lung Qi; Huaishanyao (Dioscoreae Rhizoma) can also be added.

Qiongyu Gao: This prescription treats damage from dryness and insufficiency of Lung and Kidney causing white putrid matter, hoarseness, and choking cough, achieving excellent results.

Shu Dihuang (Rehmanniae Radix Preparata) - 1 jin
Beishashen (Glehniae Radix) - 2 jin
Yuzhu (Polygonati Odorati Rhizoma) - 1 jin
Bai Fuling (Poria) - 6 liang
Bai Mitang (White Honey) - 8 liang

First, chop the Dihuang finely with a bamboo knife. Decoct together with Shashen, Yuzhu, and Fuling in running water in a large clay pot until the juice of Shu Dihuang is exhausted and the dregs are dry. Filter and squeeze forcefully to remove dregs, add white honey, and continue boiling into a paste. Place in a clean bottle, seal with wax, and suspend in a well for one day and night. Take out and boil over water for half a day. Take each time with boiled water; the efficacy is extraordinary. Do not underestimate it because it seems plain and unremarkable.

Liangfu Tang: This prescription promotes mutual generation of Metal and Water, treating white putrid matter and hoarseness, very effectively.

Shu Dihuang (Rehmanniae Radix Preparata) - 1 liang
Da Maidong (Ophiopogonis Tuber) - 1 liang

Take half running water and half well water, decoct until concentrated, and drink slowly.

Liangyi Tang: Treats white putrid matter, choking cough, hoarseness, asthma, etc.; no prescription is more wonderful than this, truly a method to rescue critical conditions. Those who have not mistakenly taken dispersing acrid-warm agents can all be saved. If mistakenly administered previously, even using this prescription will be ineffective.

Renshen (Ginseng Radix et Rhizoma)
Shu Dihuang (Rehmanniae Radix Preparata)

Decoct in running water and take. Adding Maidong is also acceptable.

Ganlu Yin: Treats white throat secretions, dry and unmoistened throat, cough, dry lips, dry tongue, etc.

Shu Dihuang (Rehmanniae Radix Preparata) - 3 qian
Sheng Dihuang (Rehmanniae Radix) - 2 qian
Yuzhu (Polygonati Odorati Rhizoma) - 3 qian
Da Maidong (Ophiopogonis Tuber, heart removed) - 2 qian
Tianmendong (Asparagi Radix, heart removed) - 1 qian
Maliaodou (Sojae Semen Album) - 2 qian
Zhi Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried) - 4 fen

This prescription is even better with Renshen. Decoct in 2 zhong of well water using mild heat and take.

Treatment principles generally revolve around acrid-cool, nourishing Yin, clearing, and moistening. If slightly combined with exterior-dispersing methods, not only will it be ineffective, but it may also exacerbate the condition. There are also cases where acrid-cool is unsuitable from the onset, requiring nourishment of Yin instead. Such flexible adaptations depend on the practitioner's judgment and cannot be determined by rigid rules.