No matter what language, the earlier you learn, the better. Moreover, learning a foreign language as a child is beneficial to the development of children's brain language system, and the stimulation of children's foreign language can make the language system more developed in the future.

Learning Spanish, I personally think that children aged 6 or above can start learning Spanish, and it is best to learn it from the teacher at the beginning. There are Spanish courses for children in Guangzhou Spanish.