According to the quality announcement issued by the government in 2020, 9 varieties were sampled, including Salvia miltiorrhiza, Bupleurum, Glehnia littoralis, Atractylodes lancea, Aucklandia, Cassia seed, Mulberry leaves, Celosia Celosia and Fritillaria cirrhosa.

The extraction of Chinese herbal pieces by the state is an effective method to evaluate the quality of Chinese herbal medicines nationwide, which plays an important role in cracking down on illegal activities and improving the supervision of the whole industry chain.