Baicalin Oral Liquid and Pu Di Lan Anti-inflammatory Oral Liquid are both Chinese patent medicine preparations, which are used clinically to treat upper respiratory tract infections and other related diseases and improve patients’ symptoms, but there are still certain differences between the two, which are mainly reflected in the following aspects: 1. Different drug composition: The drug composition of Baicalin Oral Liquid and Pu Di Lan Anti-inflammatory Oral Liquid is not exactly the same, The main ingredients of Baicalin Oral Liquid are Astragalus, Pancreatus, Fructus, Gardenia, etc., while Pudilan Anti-inflammatory Oral Liquid is mainly composed of Dandelion, Clove, Pancreatus, etc.; 2. Different treatment direction: Due to the different composition of drugs, the treatment direction also has certain differences, Pudilan is mainly for the treatment of tonsillitis, pharyngitis and other upper respiratory tract infection symptoms, favoring the treatment of sore throat, sore throat and other symptoms, while Blue Scutellaria Oral Liquid is more favorable to treating symptoms such as stomach heat, so it is more effective for patients with combined upper respiratory tract infections, along with symptoms such as bad breath, nausea and vomiting caused by strong stomach fire. Pu Di Lan can treat mumps, pharyngitis and tonsillitis, while Blue Scutellaria Oral Liquid clears heat and detoxifies the toxins and promotes the reduction of swelling in the throat. The two have overlapping parts, both can be treated for upper respiratory tract infections. The difference is that Blue Scutellaria Oral Liquid has certain effect on the symptoms of stomach heat, so if there is a manifestation of stomach fire sizzling, swollen gums, nausea, vomiting and other symptoms, it is better to use Blue Scutellaria Oral Liquid.