The signs of a child with biliary atresia before the end of life include the following: First, it is manifested by a significant increase in the level of jaundice. After biliary atresia in children, the bilirubin excretion pathway is blocked, causing significantly higher bilirubin levels in the blood, which can lead to very severe jaundice. Secondly, it manifests as cirrhosis and abnormal liver function. After biliary atresia, the liver function of the child will be significantly abnormal, and liver enzymes will be significantly elevated, and ultrasound of the liver will show that the liver will gradually sclerosis. Finally, there is a decrease in consciousness. Abnormal liver function in children can cause hepatic encephalopathy, which can lead to coma and blurred consciousness.