Babies have some listening exercises before they are born, and it is natural to have good listening perception after birth. In fact, babies are more sensitive to some sounds with very high frequency and very low frequency than adults. Confusingly, after infancy, children's hearing ability of extremely high frequency and extremely low frequency gradually declines. One possible explanation is that a high level of noise may weaken the sound ability in this extreme range. It is worth noting that when giving children a "music bath", you must not use jazz and pop rock music, but should choose famous European and American songs and classical music, and the overall volume should be less than that suitable for adults. The most scientific theory of preschool education is "three-dimensional balanced development of physical ability, intelligence and psychological ability". Based on 50,000 benchmark data of children's growth, it extracts 9 growth goals of children: security, willpower, sense of purpose, attention, memory, thinking ability, balance, strength and speed.

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The development of domestic early education centers is mainly divided into three stages:

The first stage: with the economic development after the reform and opening up, early education institutions sprouted, but the early education at that time was mainly to take care of children and had no educational characteristics.

The second stage: At the end of 1990s, with the rapid development of economy, the tertiary industry was in the ascendant, and early education institutions also developed rapidly and began to take shape.

The third stage: the current early education market has formed a considerable scale, and more and more attention has been paid to it. The early education industry is also considered as another sunrise industry.