The difference between Codonopsis pilosula and red ginseng lies in the medicinal parts, sexual flavor, efficacy and action. Codonopsis is the dried root of Codonopsis pilosula, vegetative Codonopsis pilosula or Sichuan Codonopsis pilosula in the family of Platycodonaceae. It is sweet in flavor and neutral in nature, and belongs to the spleen and lung meridians. It has the effects of strengthening the spleen and lungs (strengthening the functions of the spleen and lungs), nourishing blood and generating body fluid. Codonopsis is used for deficiency of spleen and lung qi, poor appetite and tiredness, cough and asthma, deficiency of qi and blood, yellowish complexion (yellowish color without luster), palpitation (rapid heartbeat, often accompanied by panic), shortness of breath, thirst due to injury of fluids, and thirst due to internal heat (internal fever accompanied by symptoms such as excessive food and drink and urination). The adverse effects of this drug are not clear, and it should not be used with quinine. Red ginseng is the dried root and rhizome of the cultivated ginseng of the Wujia family after being steamed. It is sweet, slightly bitter and warm in taste, and belongs to the spleen, lung, heart and kidney meridians. It has the efficacy of tonifying the vital energy (replenishing the root qi of the body), restoring the veins and fixing desiccation (restoring the normal pulse and preventing the desiccation of substances), and benefiting the qi to regulate the blood (preventing hemorrhage by means of replenishing the qi). Red ginseng is used in cases of deficiency and desire to shed, cold limbs and weak pulse, failure of qi to take in blood, and discharging of blood in the form of metrorrhagia (excessive menstruation or dribbling). The adverse effects of this drug are not clear, and it should not be used together with quinquefoil and wulingzhi. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, and not blindly self-medication.