For internal use in decoction, the dosage of gynostemma in clinical practice is 10g to 20g, but the specific dosage should follow the doctor’s instructions. Gynostemma has the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), resolving phlegm and relieving cough, and clearing away heat and toxins (removing heat and toxins from the body). 1. Spleen qi deficiency: Gynostemma has a sweet flavor and enters the spleen meridian, which can benefit qi and strengthen the spleen. Apply to the spleen and stomach qi deficiency, tiredness and fatigue, less food, dull (no appetite, less food), often with atractylodes macrocephala, Poria, and so on. 2. Lung deficiency cough: gynostemma into the lung meridian, can benefit lung qi, clear lung heat, phlegm cough. Applicable to lung qi and yin deficiency (qi and yin deficiency), dry cough, cough, phlegm and viscous, etc., can be used alone and swallowed, or with the mother of pearl barley, lily of the valley, and so on. Gynostemma should not be used by patients with deficiency of spleen and stomach (weak and cold spleen and stomach). Do not eat spicy and greasy food during the period of use. Gynostemma needs to be taken under the guidance of a professional Chinese medicine practitioner to identify the symptoms, and should not be used blindly.