Lily Bulb
Bai He·百合
- Pharmaceutical name
- Bulbus Lilii
- Family
- Liliaceae
- Flavor
- Sweet, Slightly Bitter (Bland)
- Temperature
- Cool
- Channels entered
- Heart, Lung
- Clinical characteristics
- Nourishes Yin, clears Heat, calms the Spirit
Lily Bulb is eaten as a food, most often cooked into porridge, and used medicinally for dry cough, sore throat, and disturbed sleep. Bai He's actions slowly build rather than producing an immediate effect. Lily Disease (Bai He Bing) is a classical disease category named after Bai He, first recorded in the Jin Gui Yao Lue, a Han-dynasty medical text. Lily Disease describes a pattern of restlessness and indecision, wanting to eat, rest, or move but being unable to settle into any of them, along with mild, alternating sensations of heat and cold without an actual fever. Bai He is the primary herb across the classical formulas written for this pattern.
Herb actions
Bai He nourishes Yin and moistens the Lungs, clearing Heat and relieving a dry, unproductive cough, sore throat, and blood-streaked sputum that come with Lung Yin deficiency or lingering Lung Heat. Bai He clears Heart Heat and calms the Spirit, addressing low-grade fever, restlessness, irritability, and disturbed sleep with excessive dreaming, along with palpitations tied to a shortage of Qi and Yin. Bai He also nourishes Stomach Yin and harmonizes the Middle, easing stomach pain from a dry, under-nourished Stomach rather than from cold or stagnation.
Flavor and nature
Bai He's sweet and slightly bitter flavors, carried by a cool nature, direct its action toward replenishing Yin wherever it has run dry, in the Lung, Heart, or Stomach. Sweetness builds the fluids and substance that Yin deficiency depletes, while the cool nature clears the Heat that rises once Yin can no longer contain it. Yin nourishers are often sweet in flavor and cool in nature, building substance and clearing Heat.
Bitterness accounts for Bai He's role in calming the Heart. The bitter flavor descends and drains excess Fire. When Heart Fire flares from a shortage of anchored Yin, its draining action settles the restless mind, disturbed sleep, and irritability that follow. The Heart depends on Yin and Blood to anchor the Spirit, so the same sweet nourishment that builds Lung and Stomach Yin also supports the Heart's Yin and Blood, while the bitter flavor clears whatever Fire has already flared in their absence.
How Daodi uses it
We reach for Bai He in formulas addressing Heart Yin deficiency, particularly for women whose menstrual cycles bring a racing mind, especially at night, disrupted sleep, or an easily unsettled mood. It works well alongside other Yin-nourishing herbs when a formula needs to address both physical depletion and emotional agitation. Because Bai He is gentle and slow-acting, we build it into formulas meant for sustained use rather than immediate relief.
Herb pairings
Mai Men Dong-Both nourish Yin and moisten dryness, combined for a deep chronic dry cough that Bai He alone moves too slowly to resolve.
Xuan Shen-Xuan Shen nourishes Yin and clears deeper Heat, extending Bai He's action into more pronounced Yin deficiency with Heat signs affecting the throat and Lungs.
Sheng Di Huang-Sheng Di Huang cools the Blood and nourishes Yin more forcefully, addressing lingering Heat and restlessness once Yin has been significantly depleted.
Suan Zao Ren-Suan Zao Ren nourishes Heart Blood and calms the Spirit, reinforcing Bai He's action for difficulty falling and staying asleep.
Bai Shao-Bai Shao nourishes Blood and softens the Liver while Bai He nourishes Yin more broadly, a combination suited to Stomach Yin deficiency pain alongside an unsettled Liver.
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