Dandelion in the spring to drink water, can play a certain clear heat and detoxification (clear the body of heat and poisonous evil), diuretic drenching (to improve the urine drenching, urinary volume of the problem) effect, but the effect is limited, in other periods of time to drink can also play the above effects. Dandelion is bitter, sweet and cold in nature, with the effects of clearing heat and removing toxins, subduing swellings and dissipating lumps, diuretic and diaphoretic, and can be used clinically to treat carbuncle sores, breast carbuncle, feverish gonorrhea (burning and stinging pains during urination, accompanied by urinary urgency, and discomfort of pulling in the abdomen), jaundice, and eye redness and pain, and other conditions. When dandelion is used in daily life to make water for drinking, it can have the benefit of clearing heat and clearing gonorrhea. There is no time specificity to this medicine, the effects are the same whether it is spring, or any other season. Dandelion is cold in nature, and if used in larger doses, it may lead to adverse reactions such as diarrhea. Patients with weak spleen and stomach should be cautious in using this medicine. Patients who need to use the drug should consult a traditional Chinese medicine practitioner to ensure the safety of the drug.