The Materia Medica Classic: "Tangerine leaves, ancient and modern prescription books are not contained, can disperse Yangming, syncopated yin meridian stagnant gas, women jealous of the breast, internal and external blowing, breast rock, breast carbuncle, with the effect of all, to the two meridians of the two diseases are born of the disease." Tangerine leaves, liver, dispersal of rebellious gas, set the medicine of dystocia also. According to Danxi words. This medicine *** taste bitter and astringent, its gas pungent aroma, *** sex warm dispersion. Where the disease blood knot gas knot, phlegm and saliva fire reversal, the disease for dystocia, for breast carbuncle, for the foot, for the swelling, for the chest and diaphragm against the gas and other illnesses, or pounded juice to drink, or to take the slag paste, should not be hand to get results.