Dandelion is a traditional Chinese medicine that is formulated with dandelion, scutellaria, and Panax quinquefolium and other excipients to make marketable dosage forms such as tablets, capsules, and oral liquids. It is stated in the instruction manual of Dandelion anti-inflammatory preparation that this product has the effect of clearing heat and removing toxins, anti-inflammation and swelling, and the initial instruction manual does not clearly label the adverse reactions and contraindications. However, in fact, a part of children or adults who take it will have adverse reactions such as nausea, vomiting, abdominal pain, abdominal distension, diarrhea, dizziness, etc. Moreover, the latest drug description also points out that children, lactating women, the elderly and the infirm, as well as pregnant women should be cautious of using this drug. Therefore, if you need to use this class of drugs must be taken under the guidance of a doctor, not unauthorized use of drugs.