Codonopsis and American ginseng can be taken together in water, but it is not suitable for everyone, and it is recommended to use it under the guidance of a professional doctor. Codonopsis pilosula is sweet in taste and flat in nature, belonging to spleen and lung meridian, with the effect of tonifying spleen and lung (tonifying spleen and lung organs), generating fluids and nourishing blood (replenishing water and blood in the body), it is used for spleen and lung qi deficiency, reduced diet, tiredness and fatigue (tiredness and weakness), coughing and asthma, deficiency of qi and blood, panic and shortness of breath, and thirst due to injury of fluids and thirst, and other diseases. Codonopsis pilosula should not be used in solid or hot cases without deficiency of positive qi, and should not be used with quassia. Radix Panax Ginseng is sweet, slightly bitter, cool in nature, belonging to the lung, heart and kidney meridians, with the effects of tonifying qi and nourishing yin, clearing heat and generating fluids, and is used for qi deficiency and yin deficiency, tiredness and fatigue, coughing and shortness of breath, dry throat and thirst, etc. It is not suitable for use with quassia. It should not be used with quinoa, and it is not recommended to take American ginseng for all solid and fire-exposed conditions such as deficiency of yang in the middle, obstruction of cold and dampness, and depression of qi and fire. Codonopsis pilosula and American ginseng belong to the traditional Chinese medicine, there is no contraindication between the two, so they can be soaked in water together, however, Chinese medicine soaked in water can not replace the medication to treat the disease. Chinese medicine should be used after the professional Chinese medicine practitioner to identify the evidence, not blindly self-medication, in order to avoid adverse reactions.