What are the four properties of traditional Chinese medicine?

The four characteristics of TCM are cold, cool, warm and hot. You could have added ping.

Drugs that can relieve or eliminate heat syndrome, that is, drugs that have the functions of clearing heat, cooling blood, purging fire, clearing deficiency heat and nourishing yin, are cold or cold in nature. If the patient shows aversion to heat and cold, red face and red eyes, fidgety, red tongue with yellow coating, rapid pulse, etc. , calculate the heat certificate. After treatment with gypsum, Anemarrhena asphodeloides and Gardenia, the above symptoms can be alleviated or eliminated, indicating that gypsum, Anemarrhena asphodeloides and Gardenia are cold.

Drugs that can relieve or eliminate cold syndrome, that is, drugs that have the functions of dispelling cold, warming the interior and helping yang, are hot or warm in nature. If the patient shows aversion to cold and preference for warmth, pale face, cold limbs, pale tongue with white fur, and delayed or tight pulse, it belongs to cold syndrome. After treatment with drugs such as aconite, dried ginger and cinnamon, the above symptoms can be alleviated or eliminated, indicating that aconite, dried ginger and cinnamon are warm.

However, between coldness and coolness, and between warmth and warmth, the medicinal properties are the same, but there are differences in degree: warmth is second to heat, and coolness is second to cold.