Symptoms of biliary atresia include jaundice, malnutrition and dysplasia, hepatosplenomegaly, etc. Biliary atresia is the most common cause of persistent jaundice in newborns, i.e., congenital biliary atresia, the lesion can involve the whole biliary tract, and extra-hepatic biliary atresia is the most common. 1. Jaundice: the typical symptom of this disease is obstructive jaundice, shortly after birth, physiological jaundice with the development of the disease not only does not subside, but also more and more serious, sclera and skin yellow, stools are clay-colored, and urine color is strong tea-like. 2. Nutritional and developmental deficiencies: in the early stage, the development is good, and the clinical manifestations are not consistent with the degree of jaundice. However, the situation gradually deteriorates in the later stage, with malnutrition, anemia and developmental delay. 3. Enlarged liver and spleen: the liver and spleen are progressively enlarged with the development of the disease and may develop into biliary cirrhosis and portal hypertension with bleeding tendency after a few months. If you are suffering from biliary atresia, it is recommended that you consult a doctor in time and under the guidance of a professional doctor, so as to avoid delaying your condition.