“Chenpi drink water 9 efficacy” this statement is not scientific; Chenpi drink water has the qi and spleen (qi and healthy spleen), dry dampness phlegm (to dry dampness of the drug to get rid of phlegm in the body) of the efficacy. But the effect is limited, generally not up to the role of treatment. Pericarpium Citri Reticulatae has the effects of regulating qi, strengthening the spleen, drying dampness and resolving phlegm. It can be used to treat Qi stagnation in the spleen and stomach, vomiting, hiccups, damp phlegm, cold phlegm and coughing, and chest paralysis (tightness and pain in the chest). Caution should be exercised when taking Chen Pi in cases of qi deficiency, dry cough with yin deficiency, vomiting of blood, and when the tongue is red with little fluid and there is solid heat inside. The effective dose of Chenpi in water is limited and generally cannot achieve a therapeutic effect. If there is any discomfort after drinking Chen Pi in water, it is recommended to stop using it and seek medical advice promptly.