Codonginseng taste sweet, sex flat, return to the lung meridian and spleen meridian, belongs to the qi tonic medicine, with qi tonifying, Fuzhengdispelling evil and other effects, as follows:1, tonifying spleen and qi: the treatment of spleen lung qi deficiency syndrome, to tonifying spleen lung Qi as the main function, the treatment of insufficient body deficiency, fatigue, little food, loose stool, often and spleen dehumidification of Baizhu, poria equivalent. For lung qi deficiency cough shortness of breath, low voice, often used with Astragalus and gecko, codonopsis tonnage is weaker than ginseng, commonly used to replace ginseng in ancient prescriptions, for the treatment of mild spleen lung qi deficiency;2, tonifying Qi and blood: used for qi and blood deficiency syndrome, Codonopsis can tonifying qi and blood, the treatment of Qi deficiency can not produce blood or blood deficiency without Qi, clinical manifestations of pale, yellow, fatigue, dizziness, palpitation, often combined with astragalus, white art, angelica, cooked the same;3, supplementing Qi and promoting fluid: The treatment of qi and fluid injury syndrome, shortness of breath and thirst caused by heat injury of qi and fluid, has the effect of supplementing Qi and promoting fluid, and is often used in combination with ophiopogon and schisandra chinensis;4, Fuzhengdispelling evil: Codonginseng is often combined with antisuperficial drugs and attacking drugs, playing the role of Fuzhengdispelling evil, so that attacking evil does not hurt positive.党参味甘、性平，归肺经和脾经，属于补气药，具有补气生津、扶正祛邪等功效，具体如下：1、补脾益气：治疗脾肺气虚证，以补脾肺之气为主要作用，治疗中气不足的体虚、倦怠、食少、便溏，常和健脾除湿的白术、茯苓等同用。对于肺气亏虚的咳嗽气促、语声低微，常和黄芪、蛤蚧等同用，党参的补气作用比人参弱，常用党参来代替古方中的人参，用于治疗轻症的脾肺气虚；2、补气生血：用于气血两虚证，党参既能补气又能补血，治疗气虚不能生血或血虚无以化气，临床表现为面色苍白、萎黄、乏力、头晕、心悸等，常配伍黄芪、白术、当归、熟地等同用；3、补气生津：治疗气津两伤证，对热伤气津造成的气短、口渴，有补气生津的作用，临床常与麦冬、五味子配伍使用；4、扶正祛邪：党参常和解表药、攻下药一同配伍，起到扶正祛邪的作用，使攻邪而不伤正。
