The difference between Sanyuan watermelon frost and guilin watermelon frost lies in the different sources of medicinal materials and slightly different efficacy.

1. Different sources of medicinal materials: the main components of Sanyuan watermelon frost are watermelon frost, mint, borneol, etc. It is a local Chinese patent medicine centered on Meizhou City, Guangdong Province. The main components of guilin watermelon frost are watermelon frost and Guizhi, which are local Chinese patent medicines centering on Guilin.

2. The efficacy is slightly different: Sanyuan watermelon frost can clear away heat and toxic materials, reduce swelling and relieve pain, detoxify and eliminate phlegm, moisten throat, etc. It is suitable for oral inflammation, sore throat and other symptoms. Guilin watermelon frost is mainly used for oral ulcer, pharyngitis and other symptoms.