Qi Deficiency in TCM: signs and meaning
Qi Deficiency [气虚] is one of the most common patterns in TCM. It describes a picture in which the body's qi, the activity behind every one of its functions, is thought to fall short. This guide explains what qi means in the tradition, which signs TCM links to a shortage of it, and how practitioners tell the different forms apart.
What qi means in TCM
Qi is often translated as energy, but in TCM it means more than that: it is the activity behind everything the body does. The traditional character, 氣, combines the signs for vapour and rice, and is often read as steam rising from rice as it cooks.
TCM describes qi as coming from two sources: the food you digest, through the Spleen and Stomach, and the air you breathe, through the Lungs. The tradition gives it five tasks: moving, warming, holding things in place, protecting against outside influences and transforming food into what the body uses.
Signs TCM associates with Qi Deficiency
When qi falls short, TCM expects these tasks to show it. No one shows every sign, and each of them can have other explanations:
- Tiredness that gets worse after effort
- Shortness of breath on exertion
- A soft voice and not feeling like talking
- Sweating easily during the day, without much effort
- A pale face
- Little appetite, a heavy feeling or bloating after meals, and loose stools
- Catching colds easily
On the tongue and in the pulse
The classic tongue is pale, sometimes swollen with teeth marks along the edges, with a thin white coating. The pulse is described as weak. Our guide to tongue diagnosis explains each of these features.
Which organ it is tied to
Practitioners usually name the organ system where the shortage shows most:
- Spleen Qi Deficiency [脾气虚]. The most common form. The Spleen in TCM turns food into qi, so this form is linked with tiredness after meals, bloating, loose stools and little appetite.
- Lung Qi Deficiency [肺气虚]. Linked with shortness of breath, a weak voice, sweating easily and catching colds easily.
- Heart Qi Deficiency [心气虚]. Linked with palpitations on exertion and tiredness.
- Kidney Qi Deficiency [肾气虚]. Linked with a weak lower back and knees and needing to pass water often.
A pattern or a constitution
TCM separates a pattern that shows right now from a constitution, which is the body's long term tendency. A Qi Deficiency Constitution [气虚质] describes someone who has leaned towards tiredness, a soft voice and catching colds easily for years. A pattern can come and go, while a constitution changes slowly.
How TCM thinking explains it
Classical TCM thinking connects Qi Deficiency with long periods of overwork without enough rest, irregular meals, a lot of cold and raw food, long illness and ageing. Worry and overthinking are named as well, since the tradition links them to the Spleen.
Qi Deficiency in TCM dietetics
TCM dietetics places a lot of weight on how and when you eat. For this pattern the tradition favours warm, cooked meals at regular times and foods it classes as nourishing for qi, such as rice, oats, sweet potato, pumpkin, chicken and Chinese dates. It is cautious with large amounts of cold, raw food and iced drinks.
A traditional reading, not a diagnosis
Qi Deficiency is a name from a traditional framework for describing what is observed. It is not a medical diagnosis. Tiredness that lasts for weeks can have many medical causes, such as anaemia or a thyroid that works too slowly, so see your doctor if it does not pass.