Thyroid nodules in Chinese medicine belongs to the category of gall tumors (equivalent to thyroid tumors). The benefits of drinking dandelion water for gall tumors are clearing heat and removing toxins (removing heat and toxicity from the body), and subduing swellings and dispersing knots. Dandelion is a kind of traditional Chinese medicine, its taste is bitter, sweet, cold, attributed to the liver, stomach meridian. Its effects include clearing heat and removing toxins, as well as subduing swelling and dispersing lumps. It can be used to treat carbuncle furuncles (a skin disease that refers to severe furuncles), as well as breast carbuncle carbuncle, and also has the effect of treating feverish drenching (burning and stinging pain during urination, accompanied by frequent and urgent urination) and astringent pain. Galls are considered by Chinese medicine to be formed by liver depression and stagnation of qi (poor qi and blood transportation in the liver, emotional depression), phlegm and stagnation of phlegm leading to qi stagnation and blood stasis (stagnation of blood due to lack of qi flow), therefore, drinking dandelion water for galls has the benefits of clearing away heat and removing toxins, and eliminating swollen and loose knots. The adverse effects of dandelion are not known. If there is a need for medication, it should be used under the guidance of a doctor’s diagnosis, and should not be used blindly on its own to avoid adverse consequences.