They give their children milk. Ms. Wang, 30, was introduced by a friend and invited a gold medal. Yue Yue told her in a friendly way: "The child has jaundice. In order to get rid of jaundice, we need to eat more Dora, and breast milk is definitely not enough, so I fed the child more milk. Ms. Wang thought it seemed reasonable, so she took Yue Yue's kind advice.