I. Definition
A. Broad: Basic substance constituting the universe. Everything in the universe is a result of the
movement and change of Qi
• Earth = Yin Qi = land and water
• Heavens = Yang Qi = sky and air
• Qi is material, but in a non-material form
• Energy and function
• Vapor, gas, and steam
• Usually relatively invisible, i.e. water is more visible (more yin) than steam (more yang)
• Blood and body fluid are qi = Yin Qi
• Body function is qi = Yang qi
B. Narrow: Human body’s qi
• Pre-natal qi from parents
• Post-natal qi from food and drink
C. In TCM: Refined substance produced by internal organs which has the function of nourishing
the body and the mind. Also, the function of internal organs. Material, in a non-material form.
II. Types of Qi
A. Original Qi = Yuan Qi
• Formation: Transformed from Kidney Essence; relies on nourishment from post-natal qi
• Location: Rooted in Kidney, pours into San Jiao
• Function
• motive force to life. Stimulates and promotes all internal organ
• functioning
• stimulates Kidney
• tonify Yuan primary points to tonify Yuan Qi
• Deficiency symptoms: fatigue, cold, inactive, quiet, body aches, Chronic Fatigue
Syndrome.
B. Gathering Qi = Zong Qi
• Formation: Air + Food (Gu) Qi
• Location: Formed in chest; circulated by Heart to whole body
• Function: Nourish Heart and Lung; promote and enhance Lung and Heart functions
C. True Qi = Zhen Qi
• Formation: Zong Qi transformed into Zhen Qi. Yuan Qi stimulates this
• transformation
• Location: Stays in meridians; formed and circulated in meridians
• Function: Transforms into Ying Qi and Wei Qi as needed.
D. Nutritive Qi = Ying Qi
• Formation: True (Zhen) Qi transforms into Ying Qi in the channels
• Location: Meridians, channels and blood vessels
• Function: Nutrition; nourishes internal organs and whole body
E. Defensive Qi = Wei Qi
• Formation: True (Zhen) Qi transforms into Wei Qi in the channels.
• Location: Between the skin and the muscle; flows on the outer layers of the body surface.
• Function:
• protects body from external invasion
• controls opening and closing of pores
• warms the body; regulates temperature by opening and closing the pores
• Deficiency symptoms: spontaneous sweating; flu and colds caught easily and last a long
time; intolerance to cold
F. Upright Qi = Zheng Qi
• Formation: (Qi, Blood, Body Fluid, Essence) transforms into Zheng Qi
• Location: Anywhere in the body
• Function: Fights and Resists Evil Qi (Zheng Qi includes Wei Qi).
• Note: Antipathogenic Qi; opposite of Evil Qi. Includes emotional and spiritual “good Qi”;
keeps ghosts and evil spirits away.
G. Middle Burner Qi = Post-Natal Qi = Zhong Qi
• Formation: Spleen Qi + Stomach Qi
• Location: Middle Jiao
• Function:
• Spleen and Stomach functions
• Keeps organs in original positions
• Deficiency symptoms: diarrhea, poor digestion, organ prolapse.
H. Pre-Natal Qi = Xian tian zhi qi
• Formation: Kidney Essence
• Location: Kidney
• Function: Nourishes fetus; dominates growth, development, fertility, reproduction, aging
I. Food Qi = Gu Qi
• Formation: From food and drink, through Spleen and Stomach
• Location: Middle Jiao
• Function: Ready to transform to any kind of nutrition (qi, blood, body fluid, essence)
J. Internal Organ Qi = internal organs’ functions
K. Evil Qi = Pathogenic Qi = Xie Qi: Any factor causing disease.
III. Functions of Qi
A. Warming
• Qi = Yang; Blood = Yin
• Wei Qi has a warming function
B. Protecting: Wei Qi and Lung Qi
C. Raising: Spleen Qi; Middle Jiao Qi; Kidney Qi
D. Holding: Spleen holds Blood; Kidney hold urine; Lung holds sweat
E. Qi Hua:
• transformation and transportation, i.e. metabolism
• qi = blood = body fluid = essence
F. Promoting function: Yuan Qi promotes internal organ functioning
IV. Abnormal Qi
A. Qi deficiency
• Lung: SOB, weak voice, asthma
• Spleen: diarrhea, bleeding, bruises, poor digestion
• Kidney: low back pain, poor hearing, frequent urination
• Heart: palpitations, chest tightness
• Liver: very unusual
B. Qi stagnation: not circulating well
• Liver: anger, irritation, mood swings, PMS, sighing, hypochondriac pain; depression
• Large Intestine (may come from Liver qi stagnation): constipation with incomplete bowel movements, not smooth, but NOT dry.
C. Qi sinking
• Spleen: diarrhea, organ prolapse
• Kidney: incontinence
D. Rebellious qi: qi moves in wrong direction
• Lung: ascends causing cough and asthma
• Stomach: ascends causing nausea and vomiting