Warming and Cooling Foods in Chinese Dietary Therapy
How Chinese dietary therapy sorts foods into warming and cooling, what the labels mean in tradition, and what laboratory and clinical research has and has not found.
Content last updated . This page has not been medically reviewed.
What "warming" and "cooling" mean here
In Chinese dietary therapy, a food has a "nature" (sometimes called its thermal nature or "energetics"). The nature describes the effect the food is traditionally said to have on the body, not how hot the food is when served and not its calories. Overviews of the framework say foods and herbs are classified by thermal nature, flavor, the organ network they relate to, and the direction of their action. [1]Traditional descriptions place foods on a scale. "Hot" foods such as pepper, chili and garlic are said to warm the body and increase yang. "Cold" foods such as tomatoes and bananas are said to cool internal heat. Warm and cool foods are described as milder versions of each. [1] These are traditional frameworks, explained with yin and yang, not findings of biology. For the companion system of flavors (sweet, bitter, pungent and so on), see The Four Natures and Five Flavors of Foods.
How the idea is used in daily life
Food energetics is a living part of food culture in many Chinese communities, not only a clinical tool. In a telephone interview study of 100 Chinese first-time mothers, women described avoiding "hot" and "cold" foods after childbirth and believing in the restorative powers of food. [2] Another review describes the therapy as defined by classing foods as cooling or heaty and adjusting intake of each as a strategy for chronic conditions. [3]Practices vary by family, region and person. This page does not tell any reader which foods to choose or avoid, and the traditional assessment of a person's pattern is something a trained practitioner does, with limited reliability (see TCM Consultation: What to Expect, Tongue and Pulse Assessment).
What research has looked at
Evidence labels: preclinical, insufficient evidence, traditional use only.| Question | What the source found | Label |
|---|---|---|
| Is there a standard way to decide a food's nature? | A review of Chinese food therapy in gut disorders found a lack of standardization for the heaty and cooling classification. [3] | Insufficient evidence |
| Can nature be tied to measurable properties? | A 20-year literature review reported that cold-hot nature has been linked to chemical components (water, carbohydrates, lipids, amino acids) and to biological effects such as energy metabolism and inflammation, and said studies tying nature to specific foods are insufficient and more are needed. [4] | Preclinical |
| Do "hot" and "cold" foods change anything in animals? | In a 28-day study of 45 mice, herbs and rice wines of "hot" nature produced signs described as hot syndrome and "cold" ones signs described as cold syndrome, with different gut bacteria patterns. [5] | Preclinical |
| Does eating by nature help people with digestive disorders? | The review found limited mechanistic rationale or clinical studies supporting benefit in functional dyspepsia and irritable bowel syndrome. [3] | Insufficient evidence |
Notice what the mouse study measured. The "cold syndrome" and "hot syndrome" it describes are defined by the researchers' own indicators in mice, so the result does not show that human foods change a human's "heat" or "cold". Studies in animals cannot show benefit to people.
Proper evidence not found for foods chosen by hot or cold nature improving a named condition in people. We searched PubMed for trials and systematic reviews of Chinese food energetics and dietary therapy and found no trial we could read that tested this. Absence of trials is not proof that the practice fails. It means the question has not been tested well.
Who should get conventional care first
Ongoing stomach pain, vomiting, blood in the stool, unexplained weight loss or a change in bowel habit needs medical assessment. NCCIH advises not to use TCM to replace or delay conventional care. [7]Related pages
Return to the overview, Chinese Dietary Therapy, or read Cold, Heat, Dampness, Phlegm and Other Common TCM Terms.Frequently asked questions
Does "warming" mean the food is served hot?
No. The label describes a traditional effect on the body, and a chilled drink can still be called warming in this system. [1]
Is a "cooling" food good in summer?
That is a traditional belief. We did not find clinical trials testing it, so we cannot call it proven. [3]
Are tomatoes and bananas really "cold" foods?
In the traditional framework, yes: they are listed as examples of cold foods. [1] This is a label from tradition, not a nutrition measurement.
Has science proven the hot and cold natures of food?
No. A literature review found links to chemical components and biological effects but said studies are insufficient and more are needed. [4]
Should I avoid foods labeled "cold" if I have a health condition?
Do not drop foods or change a prescribed diet because of a label without talking to your doctor or dietitian. [7]
More details: evidence, limits and cautions
The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.
Food culture versus medical advice
Take extra care if you have diabetes, kidney disease, an eating disorder history, or are pregnant, breastfeeding or caring for a child. Avoiding a whole food group because of its label can cause gaps in nutrition. Talk to a clinician or dietitian first. See Eating Patterns Compared.
References
- Traditional Chinese Medicine: overview review (PMC8000828). PubMed Central. Read 2026-10-22.
- Exploring Chinese women's cultural beliefs and behaviours regarding the practice of "doing the month". Women Health. 2004. Read 2026-10-22.
- Chu NHS, Yao CK, Tan VPY. Food Therapy in Sinosphere Asia. J Clin Gastroenterol. 2018. Read 2026-10-22.
- New insights into molecular mechanisms of "Cold or Hot" nature of food: When East meets West. Food Res Int. 2021. Read 2026-10-22.
- Changes in Cold and Hot Syndrome and Gastrointestinal Bacterial Community Structure in Mice by Intervention with Food of Different Nature. Chin J Integr Med. 2020. Read 2026-10-22.
- NHS. The Eatwell Guide. Read 2026-10-22.
- NCCIH. Traditional Chinese Medicine: What You Need To Know. Read 2026-10-22.