In ancient times, Chinese herbal medicines were divided into "four qi" according to their medicinal properties. What does this mean?

Four qi, namely cold, hot and cool, are four different medicinal properties, also known as four natures. In addition to the four properties, there is also a class of drugs with mild properties, which means that the boundary between cold and heat is not obvious, and the drugs have mild properties and mild effects.

Four natures represent Chinese herbal medicine.

Warming yang, dispelling cold and tonifying deficiency. Red dates, astragalus, angelica, chuanxiong rhizome, longan pulp.

Heat can dispel cold and eliminate cold syndrome. Cinnamon.

Cold yin can clear away heat and relieve summer heat and eliminate heat syndrome. Flos Lonicerae, Rhizoma Coptidis, Radix et Rhizoma Rhei, Radix Rehmanniae.

Reducing internal heat and relieving exterior syndrome. Coix seed, chrysanthemum, American ginseng, Siraitia grosvenorii.

Pingwei Jianpi, strong and tonic. Lycium barbarum, sesame, Euryale ferox, licorice, tremella.