Tangerine Luo in water has a certain degree of phlegm and cough, the role of collaterals, but can not completely replace the drug. Tangerine for the rue family plant orange and its cultivated varieties of the inner layer of the rind tendon, summer and fall collection, from the rind or flesh of the fruit peeled off the tendon, sun-dried, raw. Tangerine is bitter, sweet and neutral in nature, and belongs to the spleen and lung meridians. As a traditional Chinese medicine, tangerine root has the effect of resolving phlegm, relieving cough and clearing the channels, and is used for coughing with excessive phlegm and pain in the chest and ribs. Tangerine root is mild in nature and suitable for most people. Tangerine root in water has limited active ingredients, so it can not completely replace the main means of treatment as medicine. It is recommended that it be taken in moderation under the guidance of a doctor to avoid any delay in the treatment of the condition.