Fetal toxicity refers to a series of symptoms that appear after birth when the fetus is disturbed by the mother’s evil poisons during pregnancy, and the common symptoms include high fever, yellowish skin, scabies, frequent convulsions, and bluish color. It can be divided into four types: yellowing of fetus poison, fever of fetus poison, convulsion of fetus poison and cold of fetus poison. 1. Fetal toxicity yellowing: manifested by yellow skin, yellow urine, yellow sclera, hot body, not eating breastmilk, crying and so on. 2. Fetal fever: manifested by symptoms such as high fever, scabies, red face and ears, shortness of breath, crying, less yellow urine, dry stools, swollen eyelids and other symptoms. 3. Convulsions of Fetal Toxin: manifested as frequent convulsions, teeth clenched, body heat, body stiffness and other symptoms. 4. Fetal fever: symptoms such as greenish color, lethargy, trembling and shivering, and incessant crying. Patients need to seek timely medical treatment for fetal toxicity, and can choose appropriate treatment measures under the guidance of the doctor. In addition, parents should keep the child’s skin clean and dry, pay attention to keep the child warm.