1. Reading: Reading is an important way to cultivate baby's language, cognition and thinking ability. You can choose a picture book or story book suitable for your baby's age and read it to your baby every day to encourage them to participate in the discussion of the story.

2. Games: Games are an important way for babies to learn and develop. You can play all kinds of puzzle games, such as puzzles, building blocks, shape matching and so on. These games can help babies develop spatial perception, hand-eye coordination and problem-solving skills.

3. Music: Music can stimulate the baby's hearing and brain development. Can let the baby listen to music, dance or sing, cultivate their interest in music and understanding ability.

4. Social interaction: Social interaction with peers and others is very important for the baby's development. You can take your baby to parent-child activities, kindergartens or other social occasions so that they can learn to communicate and cooperate with others.

5. Natural exploration: exposing your baby to the natural environment, such as parks, gardens or zoos, can stimulate their curiosity and desire to explore. You can observe the changes of plants, animals and weather in nature to help your baby understand the laws of nature.

6. Artistic creation: Providing opportunities for artistic creation such as painting and handcraft can cultivate your baby's creativity and imagination. Pigment, paper, clay and other materials can be used to let the baby develop his creativity.

7. Sports games: Through various sports games, such as running, jumping and crawling, the baby's muscle development and coordination ability can be promoted. You can also encourage your baby to try new sports and cultivate their courage and self-confidence.

It is important to choose activities suitable for your baby's age and interests, and to interact and guide your baby. Every baby's development speed is different, so it is necessary to observe and adjust activities patiently to meet their needs.