2. No matter how low the starting point of children's ability is, we should respect their existing level and start training from the existing level.
3. Let children feel interested in learning, want to learn, and give more praise and encouragement.
4. Don't study the next project in the same field before studying the last project.
A study time should not be too long, and it is better to take LO ~ 20 minutes; For babies within 3 months, even 5 ~ 10 minutes is enough.