薯蓣。
甘，平，无毒。入手足太阴。补中益气，助肾强阴，聪耳明目，镇心安神，健脾立胃。
止腰
痛而补心神，除泻痢而化痰涎；长肌肉而强筋骨，除泄精而起健忘。甚涂痈疮，最消肿硬。
下痢噤口，半生半炒为末，每米饮下二钱。（验方第一。）
肿毒初起，鲜山药、蓖麻子、糯米水研敷之。（第二。）
项后结核，或毒肿硬痛，同蓖麻子研贴之。（第三。）
手足冻疮，磨泥敷之。（第四。）
无比山药丸
甘，平，无毒。清热止嗽，润肺宁心。利二便而除浮肿，止涕泪而消痞满。治伤寒之百
合，
疗胁乳之痈肿。最除邪魅，亦解癫惊。
百合病者，百脉一宗，悉致其病也，欲食不食，欲卧不卧，欲行不行，如寒不寒，如热
不热
，口苦溺赤，得药则剧，如有神灵者，心常默然，六脉微数。
处处有之。根如大蒜，味甘美可食。又有二种与百合相似，其根味颇苦，不堪入药。盖
叶短
而阔，微似竹叶，白花四垂者，百合也。叶长而狭，尖如柳叶，红花，不四垂者，山丹也，
俗名红合。叶似山丹而大，红花带黄四垂，上有黑斑点，子先结在枝叶间者，卷丹也，俗名
倒垂莲。
百合变热，同南滑末服。（验方第一。）
百合变渴，煎百合汤浴之。（第二。）
百合腹满，炒末水服。（第三。）
肺病吐血，煮食。（第四。）
肺痈烦嗽，蜜合蒸软。时时含一片，咽津。（第五。）
百合知母汤 百合 知母
水煎服。治百合病，发汗后者。（诸方第一。）
滑石代赭汤 百合 滑石 代赭石
煎服。治百合病，下之后者。（第二。）
百合地黄汤 百合 生地
水煎服。百合病不经吐下者。（第三。）
山药。
味甘，性平，无毒。归手太阴肺经和足太阴脾经。能补益中气、益气力，辅助肾脏、增强肾阴，使耳聪目明，镇定心神、安神定志，健脾养胃。
能止腰痛并补养心神，消除泄泻痢疾并化痰涎；促进肌肉生长并强健筋骨，消除遗精并改善健忘。若将药泥涂抹于痈疮之上，最能消除肿胀硬结。
对于下痢且不能进食（噤口痢），将山药半生用、半炒熟后研成粉末，每次用米汤送服二钱。（验方第一。）
肿毒初起时，取新鲜山药、蓖麻子、糯米加水研磨成糊状外敷。（第二。）
颈后淋巴结结核，或毒肿坚硬疼痛，与蓖麻子一同研碎贴敷患处。（第三。）
手足冻疮，磨成泥状外敷。（第四。）
无比山药丸
味甘，性平，无毒。能清热止咳，润肺宁心。通利大小便以消除浮肿，止涕泪以消除痞满胀闷。治疗伤寒病中的百合病，疗治胁部和乳部的痈肿。最能驱除邪祟，也能解除癫狂惊悸。
所谓百合病，是指全身血脉同出一源，因而全部受累致病。表现为想吃却吃不下，想睡却睡不着，想走却走不动，似冷非冷，似热非热，口苦尿赤，服药后症状反而加剧，好像有神灵附体一样，心中常觉沉默抑郁，六脉微数。
到处都有生长。根部像大蒜，味道甘甜美味可食用。还有两种与百合相似，其根部味道很苦，不堪入药。其中叶片短而宽，微微像竹叶，开白花且花朵向下垂的，是百合。叶片长而狭，尖端像柳叶，开红花且不向下垂的，是山丹，俗称红合。叶片像山丹但更大，开红花带黄色且向下垂，上面有黑色斑点，果实先在枝叶间结出的，是卷丹，俗称倒垂莲。
百合病出现热象，配合滑石粉末服用。（验方第一。）
百合病出现口渴，煎煮百合汤洗澡。（第二。）
百合病出现腹部胀满，将百合炒成粉末用水送服。（第三。）
肺病吐血，煮熟食用。（第四。）
肺痈烦渴咳嗽，用蜂蜜拌合蒸软。时时含一片在口中，咽下津液。（第五。）
百合知母汤 由百合、知母组成
水煎服。治疗百合病，经过发汗法治疗后仍不解者。（诸方第一。）
滑石代赭汤 由百合、滑石、代赭石组成
煎服。治疗百合病，经过攻下法治疗后仍不解者。（第二。）
百合地黄汤 由百合、生地组成
水煎服。治疗百合病，未经过吐法或下法治疗者。（第三。）
Dioscoreae Rhizoma (Shanyao, 山药).
Sweet in taste, neutral in nature, non-toxic. Enters the Hand-Taiyin Lung Meridian and Foot-Taiyin Spleen Meridian. Tonifies the middle jiao and boosts qi, assists the Kidney and strengthens kidney yin, improves hearing and vision, calms the heart and settles the spirit, strengthens the Spleen and regulates the Stomach.
Stops lower back pain and nourishes the heart spirit, eliminates dysentery and resolves phlegm-saliva; promotes muscle growth and strengthens sinews and bones, eliminates seminal emission and alleviates forgetfulness. When applied externally as a paste to carbuncles and sores, it is most effective in reducing swelling and induration.
For dysentery with inability to eat (Jinkou Li), use half raw and half stir-fried Dioscoreae Rhizoma ground into powder, taken with rice water, two qian per dose. (Verified Formula No. 1.)
For early-stage swollen toxins, apply a paste made by grinding fresh Dioscoreae Rhizoma, Ricini Semen (Castor Bean), and glutinous rice with water. (No. 2.)
For cervical lymphadenitis or toxic swelling that is hard and painful, grind together with Ricini Semen and apply topically. (No. 3.)
For frostbite on hands and feet, grind into a paste and apply. (No. 4.)
Wubi Shanyao Wan (Peerless Yam Pill)
Sweet in taste, neutral in nature, non-toxic. Clears heat and stops coughing, moistens the Lungs and calms the Heart. Promotes urination and defecation to eliminate edema, stops rhinorrhea and lacrimation, and dissipates epigastric fullness. Treats Baihe Bing (Lily Disease) in Shanghan (Cold Damage); treats carbuncles and swellings of the hypochondrium and breast. Most effective in expelling evil influences, and also resolves mania and convulsions.
Baihe Bing (Lily Disease) occurs when all vessels share one source, thus all are affected. Symptoms include desire to eat but inability to do so, desire to lie down but inability to sleep, desire to walk but inability to move, feeling cold yet not truly cold, feeling hot yet not truly hot, bitter taste in the mouth, dark urine, worsening of symptoms after taking medicine, sensation as if possessed by spirits, constant silent depression, and faint, rapid pulse in all six positions.
It grows everywhere. The rhizome resembles garlic, with a sweet and pleasant taste suitable for consumption. There are two other varieties similar to Lily Bulb, but their rhizomes are bitter and unsuitable for medicinal use. The variety with short, broad leaves slightly resembling bamboo leaves, white flowers hanging downwards, is Baihe (Lily Bulb). The variety with long, narrow leaves pointed like willow leaves, red flowers not hanging downwards, is Shandan, commonly known as Honghe. The variety with leaves similar to Shandan but larger, red flowers with yellow tints hanging downwards, black spots on the petals, and fruits forming first among branches and leaves, is Juandan, commonly known as Daochuilian.
For Baihe Bing presenting with heat signs, take with Polyteli Semen (Talcum Powder). (Verified Formula No. 1.)
For Baihe Bing presenting with thirst, bathe in decoction of Baihe. (No. 2.)
For Baihe Bing presenting with abdominal fullness, take stir-fried Baihe powder mixed with water. (No. 3.)
For pulmonary disease with hemoptysis, boil and eat. (No. 4.)
For lung abscess with vexatious cough, steam with honey until soft. Hold a piece in the mouth occasionally and swallow the saliva. (No. 5.)
Baihe Zhimu Tang (Lily and Anemarrhena Decoction) composed of Baihe (Lily Bulb) and Zhimu (Anemarrhena Rhizoma).
Decoct in water and take. Treats Baihe Bing after erroneous sweating therapy. (First of Various Formulas.)
Huashi Daizhe Tang (Talcum and Hematitum Decoction) composed of Baihe (Lily Bulb), Huashi (Talcum), and Daizheshi (Hematitum).
Decoct and take. Treats Baihe Bing after erroneous purgative therapy. (No. 2.)
Baihe Dihuang Tang (Lily and Rehmannia Decoction) composed of Baihe (Lily Bulb) and Dihuang (Rehmannia Root).
Decoct in water and take. Treats Baihe Bing without prior emetic or purgative therapy. (No. 3.)