Children can drink fishweed water for fever, fishweed is a medicinal plant, as a kind of traditional Chinese medicine, it has the effect of clearing away heat and detoxification, diuretic and swelling, anti-inflammatory and anti-virus. Fishwort water can enhance the ability of human peripheral blood leukocytes phagocytosis of Staphylococcus aureus, which can improve the body’s immunity and enhance the body’s ability to fight diseases, the flavonoids contained in the significant anti-inflammatory effect, is a natural antibiotic, so whether it is due to the influenza, wind-heat and colds, urinary tract infections, as well as pneumonia and other causes of fever, the child can drink fishweed water. The diuretic effect is also conducive to the excretion of heat in the child’s body, which helps to lower the body temperature. Remind parents to give their children to drink fishy grass water to master the concentration and amount, not excessive drinking, so as not to increase the burden on the gastrointestinal tract, indigestion symptoms.