According to the list of summer sangju, the summer sangju produced by Guangzhou Baiyun Mountain Pharmaceutical Co., Ltd. is the first brand on the list. The Xiasangju produced by this enterprise is divided into 3g and10g. Founded in 1980s, its raw material is spike flowers of Prunella vulgaris with high content of Sanguisorba, which can prevent and control fire in human body without harming yang in human body. It is a good product of summer mulberry chrysanthemum.