Dandelion plus what is the best with the argument is not scientific, according to different conditions, with different drugs, clinically dandelion is often used with Xia Gu Cao, Diting, honeysuckle, plantain, and so on. 1. With Xia Gu Cao: both drugs can remove heat, Xia Gu Cao is good at clearing heat and draining fire, dandelion clears heat and detoxifies (removes heat and toxicity from the body), and also disperses blood stasis and reduces swelling. The combination of the two can enhance the efficacy of clearing heat and draining fire (removes heat and toxicity from the body), and detoxifying and eliminating swelling, which is especially suitable for breast carbuncle and other diseases. 2. With Di Ding: both herbs are good for clearing heat and removing toxins, suitable for the treatment of canker sores and swollen toxins, and the combination strengthens the therapeutic effect on the treatment of breast carbuncle and furuncle (a kind of skin disease referring to the seriousness of furuncle). 3. With honeysuckle: both herbs can eliminate the effect of surgical carbuncle, dandelion favors detoxification, honeysuckle favors purging heat, which can enhance the effect of purging heat and detoxification. 4. With psyllium: the fresh products of the two medicines are used externally and are good at treating carbuncle sores, swelling and poisonous diseases. Excessive dandelion may cause diarrhea. Contraindications are not clear. If you need to use the drug, it is recommended to use under the guidance of a traditional Chinese medicine practitioner, unauthorized use of drugs may cause adverse consequences.