White radish is an alias of Laptop, which is capable of draining Qi. In the “Chinese medicine dietary science (new century, third edition)” recorded, the phone flavor of pungent, sweet, cool; cooked sweet, flat. It belongs to the spleen, stomach, lung and large intestine meridians. Its main effects include eliminating stagnation, lowering qi, resolving phlegm, stopping bleeding, quenching thirst, diuretic, etc., so it is capable of draining qi. It is commonly used in clinical practice to treat phlegm, coughing and loss of voice, hemoptysis, epistaxis, food stagnation (accumulation of food in the stomach due to indigestion), flatulence, regurgitation and acid swallowing (swallowing of acid in the stomach upward to the oropharynx), and thirst, etc. The herb can be used freshly or crushed and then applied externally in appropriate quantities. It should be noted that this product is not suitable for people with weak spleen and stomach and loose stools to eat more, raw food. If you need to use the drug is recommended to be used under the guidance of a traditional Chinese medicine practitioner to identify the evidence, unauthorized use of drugs may cause adverse consequences.