Guangdong herbal tea is the representative of herbal tea culture. Herbal tea is a kind of Chinese herbal medicine with cold nature, which can dispel the heat in human body, so as to eliminate the heat in human body or treat the sore throat caused by dryness in winter. Guangdong herbal tea can be said to be "life comes from water and health comes from herbal tea". In addition to clearing away heat and toxic materials, herbal tea can also dispel dampness, promote fluid production, clear fire, improve eyesight, dissipate stagnation and reduce swelling. It can also be used for treating conjunctival congestion, headache, dizziness, tinnitus, furuncle and hypertension, and can be used as a refreshing drink in summer. People with cold constitution should not drink more, and pregnant women and children should not drink herbal tea.

Xiasangju originated from the classic prescription "Sangjuyin" in Wu Jutong's Treatise on Febrile Diseases in Qing Dynasty. It tastes sweet and smells fragrant, and can clear away heat and toxic materials. Summer mulberry is not a plant, summer is Prunella vulgaris, mulberry is winter mulberry leaf, and chrysanthemum is chamomile. Most of the drugs on the market are granular drugs, and some drugs, Xiasangju, are used as granular drugs, which is the first in Guangzhou Xingqun Company. After market cultivation and baptism, Xingqun Xiasangju granules are distributed all over Guangdong and South China, and exported to Hong Kong, Macao, the United States and Canada, benefiting hundreds of millions of people. "Xingqun Xiasangju, Qinggan Mingmu, Qingre Jiedu" is now a household name.