辛、甘，微温。入足太阴、阳明经气分。温中快气，理脾和胃，为吐逆要药。治上中二
焦邪
气壅滞，霍乱吐泻，心腹绞痛，去恶气，疗水毒，除饮酒口臭。得滑石，治暑月吐泻。（加
丁香，尤效。）配豆仁，治饮酒口臭。广产者良。叶主散，茎主通。胃弱胃热而呕，阴虚火
旺者，禁用。
一名蕙草，一名香草，一名零陵香。
伏三黄、朱砂。
辛，温。入足太阴、阳明经。治心腹恶气，齿痛鼻塞。得升麻、细辛，治牙齿肿痛。得
川连
、当归，治伤寒下痢。配木香，治五色痢。配荜茇，擦风虫牙痛。配白芷，治头风白屑。
多服作喘，耗散真气。
一名省头草，一名孩儿菊，亦名香草。
辛，平。入手足太阴、足阳明经气分。除陈气，（肥甘积滞不化之气。）止消渴，利水道，
消
痰癖，疗胆疸，辟恶气，散痈肿，调月经，解中牛马蛊毒。
兰草、泽兰，一类二种，俱生水旁下湿处。紫茎、素枝、赤节、绿叶，叶对节生，有细
齿，
但以茎圆节长，叶光有歧者为兰草。茎微方，节短，叶有毛者为泽兰。嫩时并可采而佩之。
胃气虚者禁用。
亦名孩儿菊
防己为之使。
苦、辛、温。入足厥阴，兼足太阴经血分。破宿血，去症瘕，兼除痰癖、蛊虫，能疗目
痛痈
肿。配防己，治产后水肿。配当归，治月水不利。
煎汤熏洗产后阴户燥热，遂成翻花。（再加枯矾煎洗之即安。）
根名地笋，主治同。血虚枯秘者禁用。
怪症∶忽然疼痛，或遍身疼痛异常，名鬼箭风。用泽兰一两，桃仁三十粒，酒水各半煎
服。
Huo Xiang (Patchouli Herb): Pungent, sweet, slightly warm. Enters the Qi aspect of the Foot-Taiyin (Spleen) and Foot-Yangming (Stomach) meridians. Warms the middle and promotes the free flow of Qi, regulates the Spleen and harmonizes the Stomach; it is a crucial herb for treating vomiting and regurgitation. Treats stagnation of pathogenic Qi in the Upper and Middle Jiao, cholera with vomiting and diarrhea, severe colic, expels foul odors, treats water toxicity, and eliminates halitosis after drinking alcohol. Combined with Huashi (Talcum), it treats vomiting and diarrhea during summer heat. (Adding Dingxiang (Clove) enhances efficacy.) Combined with Dou Ren (Bean Kernel), it treats halitosis after drinking alcohol. Those produced in Guang are superior. The leaves primarily disperse, while the stems primarily unblock. Contraindicated in cases of weak stomach or stomach heat causing vomiting, and in Yin deficiency with fire hyperactivity.
Also known as Huicao (Orchid Grass), Xiangcao (Fragrant Grass), and Linglingxiang (Lingling Fragrance).
Incompatible with Fuhuang (Vat Earth), Sanhuang (Three Yellows: Coptidis Rhizoma, Scutellariae Radix, Phellodendri Cortex), and Zhusha (Cinnabar).
Pungent, warm. Enters the Foot-Taiyin (Spleen) and Foot-Yangming (Stomach) meridians. Treats foul Qi in the heart and abdomen, toothache, and nasal congestion. Combined with Shengma (Cimicifugae Rhizoma) and Xixin (Asari Radix et Rhizoma), it treats swollen and painful teeth. Chuanlian (Coptidis Rhizoma) combined with Danggui (Angelicae Sinensis Radix) treats dysentery caused by Shanghan (Cold Damage). Muxiang (Aucklandiae Radix) combined treats Wuse Li (Five-Color Dysentery). Bibo (Long Pepper Fruit) applied externally treats wind-worm toothache. Baizhi (Angelicae Dahuricae Radix) combined treats head wind with dandruff. Excessive consumption causes panting and depletes True Qi.
Also known as Shengtoucao (Head-Provoking Grass), Hai'erju (Child's Chrysanthemum), and also named Xiangcao (Fragrant Grass).
Pungent, neutral. Enters the Qi aspect of the Hand-Foot Taiyin and Foot-Yangming meridians. Removes stale Qi (Qi generated from indigestion of rich and sweet foods), stops Xiao Ke (Wasting-Thirst), promotes urination, eliminates Tan Pi (Phlegm-Pi accumulation), treats Dan Dan (Gallbladder Jaundice), wards off foul Qi, disperses carbuncles and swellings, regulates menstruation, and resolves poisoning from Niu Ma Gu Du (poisonous蛊毒 associated with cattle and horses).
Lan Cao (Agastache Rugosa) and Ze Lan (Leonurus Japonicus Herba) are of the same genus but different species, both growing in damp places near water. They have purple stems, pale branches, red nodes, and green leaves; leaves grow opposite at the nodes with fine serrations. The distinction lies in: Lan Cao has round stems, long nodes, smooth leaves with bifurcations; Ze Lan has slightly square stems, short nodes, and hairy leaves. Both can be harvested when tender and worn.
Contraindicated in cases of deficient Stomach Qi.
Also known as Hai'erju (Child's Chrysanthemum).
Fangji (Stephaniae Tetrandrae Radix) acts as its guiding/enabling herb.
Bitter, pungent, warm. Enters the Blood aspect of the Foot-Jueyin (Liver) meridian, and concurrently the Foot-Taiyin (Spleen) meridian. Breaks old blood stasis, removes Zheng Jia (masses and accumulations), eliminates phlegm-pi and gu worms, and treats eye pain and carbuncle swellings. Combined with Fangji (Stephaniae Tetrandrae Radix), it treats postpartum edema. Combined with Danggui (Angelicae Sinensis Radix), it treats irregular menstruation.
Decocted for fumigation and washing to treat dryness and heat in the vaginal orifice postpartum leading to "Fan Hua" (flower-like prolapse/caruncles). (Adding Kunfan (Alumen) for decoction and washing brings immediate relief.)
The root is named Di Sun (Houttuynia Cordata Rhizome/Stem), with identical main indications. Contraindicated in cases of blood deficiency with dry constipation.
Strange Syndrome: Sudden pain, or abnormal pain all over the body, named Gui Jian Feng (Ghost Arrow Wind). Use Ze Lan (Leonurus Japonicus Herba) 1 liang, Tao Ren (Prunus Persica Seed) 30 grains, decocted with half wine and half water for oral administration.