There is no first-ranked drug to reduce swelling and dissipate knots, and it is necessary to use drugs under the guidance of a doctor, such as Xia Gu Cao, Kung Fu and so on. Xia Gu Cao belongs to the classification of heat-clearing and fire-clearing medicines under the category of heat-clearing and fire-clearing medicines (clearing heat and fire from the body), and it is the dried fruit of Xia Gu Cao of the family Labiatae. It is cold in nature, pungent and bitter in taste, and belongs to the liver and gallbladder meridians. It has the effects of clearing fire, brightening the eyes, dispersing knots and subduing swelling. It is mostly used for the treatment of eye redness, swelling and pain, headache and dizziness. Note that this product should be used with caution for people with cold and weak spleen and stomach.