1, clearing away fire and improving eyesight: Prunella vulgaris enters the liver with bitter cold, and its performance is reduced, so it is suitable for liver fire to go up, while the liver begins to understand the eyes, and its meridians are connected with the eyes. Therefore, the visual function of the eyes depends on the release of liver qi and the nourishment of liver blood. Therefore, Prunella vulgaris has the effect of clearing liver and improving eyesight, and can be used to purge liver fire and clear the head.
2. Dispelling stagnation and detumescence: Prunella vulgaris is cold, which can clear blood and detoxify, clear hot phlegm, taste bitter and pungent, relieve dryness, disperse blood stasis, promote qi circulation and dissipate blood stasis, so it can be used for dispersing stagnation and detumescence. Moreover, active substances such as Prunella vulgaris, ursolic acid, oleanolic acid, rutoside and hyperoside in Prunella vulgaris can activate apoptosis-promoting factors, leading to cell apoptosis.