大黄,谓中药“四大金刚”之一,味大苦,性大寒,气味俱厚,入归足太阴■,手、足阳明大肠、胃,手、足厥阴心包、肝等经,并入血分。其性沉而不浮,其用走而不守,具有攻积导滞,泻火凉血,活血化淤之功效。凡属热属实,大便秘结,或淤血阻滞而导致的壮热谵语,甚或吐血, The rhubarb is one of the four “golden diamonds” of traditional Chinese medicine. It tastes bitter, it is cold, it has a thick odor, and it is full of lunar erythema. ■ Hand, foot and yang yang, large intestine, stomach, hands, foot and diarrhea pericardium, liver, etc. Into the blood points. Its nature is not sinking, but it is used to go without guarding, has the effect of accumulating stagnation, purging fire, cooling blood, and promoting blood circulation. Where the heat is true, constipation, or blockage of blood stasis caused by the hot slang, or even vomiting blood,