The 7-month-old baby's ability in all aspects has been greatly improved compared with when he was born, and he will also start crying because he seeks the company of others. During this time, you should learn to distinguish between children's purposeful crying and deal with it correctly to avoid children's excessive dependence. Understand children's interests and arrange activities to meet children's interests. At the beginning of the early education course for such a big baby, the mother was asked to do some simple exercises and exercises for the baby, accompanied by music. Through systematic training of baby's perception and action, baby's musical intelligence can be developed and baby's enthusiasm for music can be improved. While cultivating your baby's moral, intellectual and physical abilities, shape your baby's lively and cheerful personality.