Dandelion can be directly dried to make tea, dandelion has the effect of reducing swelling and dissipating knots, should be used in accordance with medical advice. Directly dried dandelion is a common clinical herbs, can be used for tea, but before brewing water needs to be cleaned, remove impurities dust and so on. However, the effective dose of dandelion water is limited, it is difficult to achieve the therapeutic effect. And dandelion is bitter and cold in nature, it is not recommended to drink tea for a long time. Dandelion has the function of dispersing knots and swelling, detoxifying and clearing heat, and clearing diuresis. It can be used for the treatment of carbuncle (red, swollen and painful breasts, poor milk discharge, and ultimately the formation of suppurative diseases), damp-heat jaundice, scrofula (mainly refers to the cervical lymph nodes tuberculosis), furuncles and poisons, lungs and eyes red, sore throat, urinary astringent pain and other diseases. Dandelion should be taken with caution by those who are not suffering from solid heat or yin gangrene (a general term for a group of slow-acting negative sores and ulcers). If you have symptoms, you should take the medicine under the guidance of a professional doctor, do not take the medicine blindly, so as not to delay the condition or produce adverse reactions.