Pay attention to the baby\’s physical and mental development. Middle class babies are in a stage of rapid growth. Parents should pay attention to the baby\’s physical and mental development in a timely manner in order to provide better guidance and guidance. First of all, keep an eye on your baby\’s physical health. This includes regular physical exams, a nutritious and balanced diet, and getting enough sleep. Secondly, we should pay attention to the development of baby\’s language ability, cognitive ability and social ability. In daily life, you can play interactive games, read picture books, listen to music, etc. with your baby to promote