Xu Changqing is a perennial herb of the genus Baiqian of the oleander family, mainly produced in southern and northeastern China. Xu Changqing can be used both internally and externally. It is mainly produced in Zhejiang, Jiangsu, Hunan, Hubei and other places. Xu Changqing mainly contains paeonol, isopoiol, Xuchangqing glycosides A, B, C and a small amount of alkaloids.

Polygala is a commonly used traditional Chinese medicine. Polygala added with honey is also called Miyuanzhi, which also has the effect of curing diseases. The main functions of Mi Yuanzhi are soothe the nerves and refresh the brain, strengthen the brain and improve intelligence, and reduce phlegm and swelling.

Chrysanthemum​ is one of the four gentlemen among the flowers in our country.

Stemona is a kind of medicinal material with great medical value, which is deeply loved by everyone, but the nature of Stemona is mild, which is not suitable for people with hot spleen and stomach.