TCM Theory

TCM Concepts

Foundational theories — Qi, Yin-Yang, Five Elements, and more.

Showing 1–21 of 21 concepts

Blood

Vital Substances

血 (Xuè)

The dense, nourishing, and moistening substance that circulates with Qi.

Body Fluids

Vital Substances

津液 (Jīn Yè)

All normal fluids of the body — thin (Jin) and thick (Ye).

Cold

Pathogenic Factors

寒 (Hán)

The Yin pathogen that contracts, congeals, and slows.

Dampness

Pathogenic Factors

濕 (Shī)

The heavy, lingering, turbid Yin pathogen.

Eight Principles

Diagnosis

八綱 (Bā Gāng)

The primary diagnostic framework: Yin/Yang, Interior/Exterior, Cold/Heat, Deficiency/Excess.

Essence

Vital Substances

精 (Jīng)

The foundational substance underlying growth, reproduction, and development.

Five Elements

Five Elements

五行 (Wǔ Xíng)

Wood, Fire, Earth, Metal, and Water — phases mapping organ and natural relationships.

Heat / Fire

Pathogenic Factors

火熱 (Huǒ Rè)

The Yang pathogen that heats, dries, and rises.

Phlegm

Pathogenic Factors

痰 (Tán)

A pathological accumulation of congealed fluids.

Qi

Vital Substances

氣 (Qì)

The vital substance and animating force of all physiological activity.

Shen

Vital Substances

神 (Shén)

The spirit, consciousness, and mental-emotional vitality.

Six Pernicious Influences

Pathogenic Factors

六淫 (Liù Yín)

The six external climatic factors that can cause disease.

The Channels

Channels

經絡 (Jīng Luò)

The network of meridians through which Qi and Blood flow.

The Heart

Zang-Fu

心 (Xīn)

Governs Blood and houses the Shen.

The Kidney

Zang-Fu

腎 (Shèn)

Stores Essence; the root of Yin and Yang for the whole body.

The Liver

Zang-Fu

肝 (Gān)

Ensures the smooth flow of Qi and stores the Blood.

The Lung

Zang-Fu

肺 (Fèi)

Governs Qi and respiration; controls the exterior and disperses defensive Qi.

The Spleen

Zang-Fu

脾 (Pí)

The root of postnatal Qi — governs transformation, transport, and the upright Qi.

Wind

Pathogenic Factors

風 (Fēng)

The pathogen of sudden onset, movement, and change.

Yin-Yang

Yin-Yang

陰陽 (Yīn-Yáng)

The complementary, interdependent opposites underlying all phenomena.

Zang-Fu Organs

Zang-Fu

臟腑 (Zàng Fǔ)

The Yin (Zang) and Yang (Fu) organ systems of TCM physiology.