Efficacy and effects of Radix Platycodon grandiflorus 1, expectorant and pus-removing This product is good for lung gas, broadening the chest and fastening the diaphragm, promoting the discharge of pus and phlegm from the lung, and is good for expectorant and pus-removing treatment of pulmonary carbuncle. For treating pulmonary carbuncle with chest pain and fever, coughing up pus and blood, with yellow and fishy sputum, it is used with licorice, i.e. Radix Platycodon grandiflorus soup; or with fishy grass, coix seeds and rhizome. 2, open and promote the lung qi This product is pungent, bitter and draining, calm, good for upward movement, specifically going to the lung meridian, for the lung meridian qi points important medicine. It is good at opening and promoting lung qi, resolving phlegm and broadening the chest to treat cough and phlegm, and can be applied regardless of external or internal injuries, cold or heat. For example, for treating wind-cold cough with white and clear sputum, it can be combined with perilla and almond, such as Xing Su San; for treating wind-heat or warm-onset cough with yellow and thick sputum, it can be combined with mulberry leaf, chrysanthemum and almond, such as Sang Ju Drink; for treating phlegm obstruction and stagnation of qi, loss of lung circulation, and stuffiness in the chest and diaphragm, it can be combined with Citrus aurantium shell and Gua Gua Piper etc. 3, open the chest and disperse the knots Mandarin is not a qi medicine, but is often used in chest paralysis caused by qi stagnation, blood stasis and phlegm obstruction. For example, Blood Mansions and Blood Stasis Soup is a special formula for the treatment of blood stasis in the chest. It is used to open the chest and move the qi by combining Citrus aurantium with Citrus aurantium shell. “When the qi moves, the blood moves”, and the smooth flow of qi is conducive to the elimination of blood stasis, which plays a synergistic role with all the blood-stasis activators in the formula. Modern pharmacological research has found that Radix et Rhizoma can “reduce the resistance of coronary arteries and increase blood flow”, which provides strong evidence for the application of Radix et Rhizoma in the treatment of chest paralysis. This product is good at promoting the lung to open the pharynx and sound, and can be applied to treat sore throat and loss of sound caused by external evil offending the lung. It is often used with licorice, mint and burdock, such as sweet orange soup; it is often used with eucommia, horsetail and panax notoginseng for treating sore throat and sore throat due to heat toxicity. 5, smooth the two stools Lung and large intestine, lung gas is depressed, the large intestine can not bear the lung gas down and cause constipation. When the lung qi is clear, it can indirectly open the intestines and stomach, and transport down the bladder, so it also has good effect on intestinal diseases and unfavorable urination. It has been reported that 20 cases of postoperative retention of urine after hemorrhoid fistula were treated with bamboo and mandarin drink (10 grams each of light bamboo leaf and mandarin), and satisfactory results were obtained. Radix Platycodon grandiflorus can open the knots of lung qi, and it is combined with Temperate Bamboo Leaf to open one and benefit the other, one ascending and one descending, to regulate the qi, to promote light penetration, and to dispel the real evil with a light dose. This is the treatment method of “ascending before descending”, which is actually the method of “taking the upper part of the disease at the bottom” and “lifting the pot and uncovering the lid” in Nei Jing. 6.Carry the medicine upwards. Radix Platycodon can promote the lung qi, which has the effect of inducing the medicine to float upwards into the lung, and also has the effect of raising the lung qi, which can make the pathological water-dampness return to the normal way from the spleen to the lung. In the treatment of spleen deficiency with dampness, Ginseng and Atractylodes is combined with Radix et Rhizoma oryzaeum to promote the lung qi to regulate the water channel and carry the herbs upward to benefit the lung qi while benefiting the spleen qi and strengthening the spleen, permeating dampness and stopping diarrhea.