The Big Formulas and the Big Ideas Behind Them - Course 1

Xiao Chai Hu Tang

Xiao Chai Hu Tang is a powerful solution to some types of lingering pathogen problem, but also provides insight into the management of a host of common diseases, particularly those characterised by chronic inflammation

Will Maclean
Will Maclean

Course Overview

Xiao Chai Hu Tang is one of the most important formulas from the Shang Han Lun, and with over 2000 years of clinical experience behind, still one of the most widely and effectively used for a host of commonly seen ailments. This talk explores the popularity and dynamics of Xiao Chai Hu Tang, and goes beyond the usual shao yang/lingering pathogen narrative. We expand the understanding of Xiao Chai Hu Tang from a formula used for infectious processes, into one that is capable of managing some of the most common health issues of the modern world, and the reasons for this. We will see how understanding the structure and function of XCHT, and its related group of formulas, can assist in uncovering and elucidating the causes, pathology and solutions to the problem of chronic inflammation, or persistent heat in the language of Chinese medicine.


  • Be familiar with the origin and classical use of Xiao Chai Hu Tang

  • Understand the structure and functional dynamics of Xiao Chai Hu Tang, form both the classical and modern perspectives

  • Understand how Xiao Chai Hu Tang, and it related group of formulas, provides insights into the genesis, development and persistence of the problem of persistent heat in the body (synonymous with chronic inflammation).

  • Understand the Primary Pathological Triad model and be able to apply it, and utilise Xiao Chai Hu Tang and related formulas effectively, in the treatment of complex chronic pathology with a p[ersistent heat component


  • 0 hrs - 30 min

    Introduction to Xiao Chai Hu Tang and the historical context. Characteristics of shao yang pathology.

  • 30 min - 2 hrs

    Overview of the structure and function of Xiao Chai Hu Tang, how this produces the desired effect. Case examples to illustrate shao yang pathology in practice.

  • 2 hrs - 2.5 hrs

    Introduction to the concept of the primary pathological triad (PPT), how it works, is generated and its relationship to the creation of persistent heat.

  • 2.5 hrs - 3 hrs

    Why understanding the PPT is critical to successful management of disorders characterised by chronic inflammation. Case examples illustrating application of PPT and solutions to same.


  • Kellie K. (United States of America)

    I loved this course. The info was great and also Will makes the info alive and dynamic with his teaching style.

  • anand m. (United Kingdom)

    A good clear explanation of why this formula is so commonly used. The teacher clearly applies what he is teaching to clinical practice.


I loved this course. The info was great and also Will makes the info alive and dynamic with his teaching style.

Kellie K. (United States of America)

A good clear explanation of why this formula is so commonly used. The teacher clearly applies what he is teaching to clinical practice.

anand m. (United Kingdom)


Will Maclean

A graduate of the Sydney College of Traditional Chinese Medicine, Will Maclean, M.Sc.Chin. Med, Dip.TCM, Cert. Chin. Med, trained in China, and has practiced TCM for over 25 years. An author, Will teaches internationally and speaks on topics pertaining to acupuncture and herbal medicine.


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More Details
  • CEUs:

    Approved By: Standard Certificate (3), IVAS (3), NCCAOM (3), Florida (3)

    Pending: California [Upon Request]*

  • Language: English

  • Course Type: Recorded Seminar

  • Course Length: 3 h

  • Course Notes: Notes are provided with this course.

  • Access Period: Lifetime


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