Xiao Yao San

Free & Easy Wanderer

Soothe Liver Qi • Nourish Blood • Harmonize the Spleen • Restore Emotional Balance

Xiao Yao San is one of the most recognizable and widely used formulas in Chinese medicine for patterns involving Liver Qi stagnation combined with Blood deficiency. First recorded in the Tai Ping Hui Min He Ji Ju Fang (Imperial Grace Formulary of the Tai Ping Era), it is renowned for addressing the relationship between emotional stress, digestion, menstruation, and overall vitality.

Unlike formulas that simply move Qi or only nourish Blood, Xiao Yao San creates balance between movement and nourishment. It gently spreads constrained Liver Qi while simultaneously supporting the Spleen and enriching Blood—the foundation needed to maintain smooth emotional and physiological regulation.

When patients present with irritability, mood swings, PMS, breast tenderness, digestive upset, and stress-related tension, Xiao Yao San is often one of the first formulas practitioners consider.

Beyond traditional gynecological applications, this formula has become one of the most relevant prescriptions for modern patients navigating chronic stress, emotional overload, and the physical effects of being constantly “switched on.”

Traditional Indications

• Liver Qi stagnation
• Blood deficiency
• PMS
• Irritability
• Mood swings
• Breast tenderness
• Menstrual irregularity
• Fatigue
• Stress-related digestive issues
• Hypochondriac discomfort
• Emotional constraint

TCM Pattern

Liver Qi Stagnation with Blood Deficiency and Spleen Disharmony

Xiao Yao San soothes Liver Qi, nourishes Blood, strengthens the Spleen, harmonizes digestion, regulates menstruation, and supports emotional equilibrium.

Modern Clinical Applications

Many practitioners reach for Xiao Yao San when supporting patients experiencing:

• PMS and menstrual mood changes
• Breast tenderness before menstruation
• Stress-related digestive symptoms
• Irritability and frustration
• Emotional tension
• Fatigue with stress
• Cycle irregularity from Liver constraint
• Women’s health patterns involving Qi stagnation
• Digestive discomfort linked to emotional stress
• Patients feeling overwhelmed or “stuck”

Its ability to connect emotional, digestive, and gynecological patterns makes it one of the most versatile formulas in modern clinical practice.

Ingredients

Chai Hu — 17.5%
Bai Shao — 17.5%
Dang Gui — 15%
Bai Zhu — 15%
Fu Ling — 15%
Zhi Gan Cao — 10%
Sheng Jiang — 5%
Bo He — 5%

Based on classical ratios and standard modifications

Crafted using our signature Two-Cured Decoction™ process—combining a traditional hot water decoction with a secondary high-proof alcohol extraction—to capture both water-soluble and alcohol-soluble herbal constituents for a full-spectrum tincture.

Practitioner Favorites

PMS with Blood Deficiency

50% Xiao Yao San + 50% Si Wu Tang

Excellent when Liver Qi stagnation is accompanied by Blood deficiency signs such as fatigue, paleness, scant menstruation, dryness, or weakness after the menstrual cycle.

Digestive PMS with Qi Stagnation

40% Xiao Yao San + 30% Chai Hu Shu Gan San + 30% Dang Gui Shao Yao San

A favorite combination when PMS includes digestive discomfort, bloating, emotional tension, abdominal distention, and impaired Qi movement.

Single Herb Pairings

For further customization, consider adding:

Xiang Fu — when breast distention, menstrual discomfort, or stronger Qi stagnation is present.

He Huan Pi — when emotional tension, frustration, grief, or constrained emotions are central features.

Urban Herbs Practitioner Advantage

Every 16 oz amber bottle is designed for fast, customized dispensing in clinical practice. Blend Xiao Yao San with complementary formulas to create individualized prescriptions in minutes—giving your patients the convenience of a liquid tincture while providing your practice with a flexible, space-saving herbal pharmacy.

Double-extracted. Ready to dispense. Built for practitioners.

Why Practitioners Keep Xiao Yao San on the Shelf

Every practitioner eventually encounters the patient who says,

"I feel stressed, my emotions are all over the place, and my body reacts every month."

That patient often reflects the classic Xiao Yao San presentation.

Its strength comes from recognizing that emotional and physical symptoms are often connected through the Liver’s ability to maintain smooth Qi movement. Stress, overwork, and emotional constraint can disrupt digestion, affect menstruation, and consume Blood over time.

Practitioners frequently reach for Xiao Yao San when supporting:

• PMS
• Mood swings
• Breast tenderness
• Stress-related digestive issues
• Irritability
• Menstrual irregularity
• Emotional constraint
• Fatigue from chronic stress
• Women’s health patterns
• Patients experiencing tension and depletion together

Because Urban Herbs tinctures are designed for blending, Xiao Yao San becomes even more versatile when combined with formulas that nourish Blood, clear Heat, move stronger Qi stagnation, or address deeper deficiency patterns.

For many practitioners, it is the formula they consider when the body needs room to breathe.

One bottle. A timeless solution for smoothing Liver Qi, nourishing Blood, and restoring balance.

Practitioner Snapshot

Category

Liver-Regulating & Women’s Health Formulas

Primary Actions

• Soothes Liver Qi
• Nourishes Blood
• Strengthens the Spleen
• Harmonizes Menstruation
• Regulates Emotional Balance
• Supports Digestion

Best For

• PMS
• Irritability
• Mood swings
• Breast tenderness
• Stress-related digestive issues
• Menstrual irregularity
• Liver Qi stagnation
• Blood deficiency patterns
• Emotional tension

Pairs Well With

• Si Wu Tang
• Jia Wei Xiao Yao San
• Chai Hu Shu Gan San
• Dang Gui Shao Yao San
• Gui Pi Tang

Clinical Personality

⭐⭐⭐⭐⭐ Liver Qi Regulation
⭐⭐⭐⭐⭐ Women’s Health Support
⭐⭐⭐⭐☆ Emotional Balance
⭐⭐⭐⭐☆ Blood Nourishment
⭐⭐⭐⭐☆ Digestive Harmonization

Clinical Pearl

Xiao Yao San is one of the classic formulas every practitioner associates with the phrase “free and easy.” Its hallmark indication is the patient who feels constrained—emotionally, physically, or hormonally—with symptoms that fluctuate according to stress.

Its brilliance lies in its harmony. Chai Hu spreads Liver Qi, Bai Shao nourishes and softens the Liver, Dang Gui enriches Blood, Bai Zhu and Fu Ling support the Spleen, and the remaining herbs ensure smooth regulation without excessive movement or depletion.

For practitioners, Xiao Yao San remains an essential formula for the modern overstimulated patient—the person whose stress is felt in their mood, digestion, muscles, and menstrual cycle.