Traditional Chinese Medicine divides digestion between two organs with distinctly different jobs: the Stomach, responsible for receiving food and beginning to break it down, and the Spleen, responsible for transforming that food into usable Qi and transporting nutrients throughout the body. Together, they're often referred to as the Middle Burner — the central of the body's three traditional "burners" or processing zones.
Two organs, two failure modes
Stomach patterns tend to show up as problems with receiving and processing food directly: nausea, acid reflux, a burning sensation, appetite that swings between ravenous and absent, or pain that's tied closely to mealtimes.
Spleen patterns tend to show up downstream of that: bloating that builds through the day, loose stools, fatigue specifically after eating (rather than before), and a general sense that food isn't being converted into energy efficiently — eating, but still feeling depleted.
In practice, the two overlap constantly, since a struggling Stomach quickly becomes a struggling Spleen's problem too.
Cold, Heat, and Dampness in the Middle Burner
Beyond which organ is more affected, TCM theory layers on the character of the disturbance:
Cold in the Middle Burner shows up as digestive discomfort that improves with warm food and worsens with cold or raw food, often with loose stools and a general sluggishness. This pattern responds, in traditional theory, to warming approaches — see our Food Therapy Finder for foods classified by temperature.
Heat in the Middle Burner shows up as the opposite: burning discomfort, strong thirst, a tendency toward constipation rather than loose stools, and a craving for cold foods and drinks.
Dampness in the Middle Burner shows up as heaviness, bloating, a sticky coating on the tongue, and a sense that digestion is simply slow — food sits rather than moves.
Why "Spleen Qi deficiency" comes up so often
If you've taken the Constitution Quiz on this site, you'll recognize Spleen-related language in the Qi Deficiency and Phlegm-Dampness results. This isn't a coincidence — the Spleen is considered central to how efficiently the whole body generates and distributes Qi, which is part of why so many seemingly unrelated complaints (fatigue, brain fog, a tendency to bruise, swelling) eventually trace back to Spleen function in TCM assessment.
Commonly referenced points and herbs
ST36 (Zusanli) and CV12 (Zhongwan) are two of the most frequently used points for digestive complaints generally. On the herbal side, White Atractylodes, Poria, and Aged Tangerine Peel appear constantly across Spleen- and Stomach-supportive formulas — the same trio, not coincidentally, that shows up in foundational Qi-tonifying formulas discussed in our Classical Herbal Formulas article.