The dry roots of Scrophularia ningpoensis are commonly used Chinese medicine, which are slightly cold in nature and sweet, bitter and salty in taste. It has the effect of cooling blood, nourishing Yin, purging fire and detoxifying. It is used for Yin injury due to heat disease, tongue crimson and thirsty, mild toxic spots, body fluid injury and constipation, bone steaming cough, red eyes, sore throat, rash, diphtheria, carbuncle swelling and sore poison, etc. There are trace volatile oil, phytosterol, oleic acid, linolenic acid, stearic acid, carbohydrate, L-asparagine and alkaloid in the root of Scrophularia ningpoensis. Pharmacological experiments show that it has antihypertensive, antibacterial, hypoglycemic and antipyretic effects.

Scrophularia is bitter, sweet and salty in taste, cold in nature, and belongs to lung, stomach and kidney channels.
1: It has the functions of clearing away heat and toxin, cooling blood and nourishing yin. It can be used for the treatment of body heat, dry mouth, red and crimson tongue caused by the warm heat disease entering the camp and injuring the body fluid, or the warm heat disease falling into the pericardium, resulting in dizziness and delirium.
2: It is also often used for the spot rash or sore throat caused by warm heat disease and blood heat accumulation, irritability and delirium.
3: It can also treat carbuncle swelling, sore poison and phlegm core. Pharmacological studies have proved that:
4: Scrophularia has antihypertensive effect, its mechanism is related to the expansion of peripheral blood vessels, with sedative, anticonvulsant, hypoglycemic effect, antipyretic antibacterial effect.