Dandelion is not recommended for breastfeeding after taking dandelion for maternal fever, and it is recommended to use the medicine correctly under the guidance of a doctor. Dandelion can be used to treat maternal fever caused by canker sores, in addition, dandelion also has the effect of clearing away heat and detoxification (clearing away heat and toxins in the body), eliminating swelling and dispersing knots, diuretic and diaphoretic. Dandelion is bitter, sweet and cold. It belongs to the liver and stomach meridians. It is not recommended to take it for a long time or take it in excess. As the maternal body is weak, it should not use cold medicines for a long time to prevent the body from becoming even more cold, and secondly, long-term consumption of cold food will affect the breast milk, which in turn will affect the baby, whose spleen and stomach are weak themselves, and in the long run, it may cause diarrhea and other symptoms. In the breastfeeding fever, must be under the guidance of the doctor to use the correct medication, usually healthy diet, pay attention to keep warm.