The focus of enlightenment is different at different stages
1-3 months: Use innate reflex to establish acquired conditioned reflex
3-6 months: Training the grasping ability of the hand and the whole body movement ability
6-9 months: Training to turn over, tummy time and crawling
9-12 months: Develop the ability to stand and walk independently
1-2 years old: Training for flexible movements of walking, running and jumping
2-3 years old: Cultivate childrens verbal expression ability and independence
3-4 years old: Develop behavior habits and thinking skills