Dandelion is a herb that is particularly commonly used in clinical practice and is mainly used in dried form. The main purpose of using dried dandelion in water is to take an appropriate amount of dandelion and soak it in boiling water for 15-20 minutes for oral administration. Dried dandelion infusion has no special requirements for water temperature and so on, which is very convenient and very effective. Dandelion infusion has the function of clearing heat and detoxification, clearing heat and dampness, laxative, swelling and dispersion, etc. It can treat sores and swelling and pharyngitis, tonsillitis, etc. Dried dandelion infusion has good antibacterial and anti-inflammatory effects, antipyretic and analgesic.