Food has different properties such as cold, cool, warm and hot, which is called "four natures" or "four qi" in Chinese medicine.
Cold or cold food suitable for febrile constitution and diseases belongs to cold or cold food.
Warm or hot is the antonym of cold or cold, and any food suitable for cold constitution and diseases belongs to warm or hot food.
The nature of flat food is between cold food and warm food, which is suitable for general physique and can be eaten by people with cold and heat diseases.
From the analysis of more than 300 kinds of commonly used foods recorded in traditional Chinese medicine dietotherapy books, it is found that most of them are flat foods; Temperature and heat are second; The cold is behind.
Vegetarian dishes are mostly general nutrition and health care products. Such as rice, noodles, soybeans, potatoes, sweet potatoes, radishes, apples, milk and so on.