1. Communicate with your baby: Simple conversations with your baby, such as greeting, introducing yourself and describing things around you, can promote your baby's language development.

2. Read picture books: read picture books to your baby, let him hear different voices and intonations, and stimulate his imagination and creativity.

3. Singing and playing games: Singing and playing games can help babies learn new vocabulary and grammatical structures, and at the same time enhance their language skills.

4. Create a language environment: create a rich language environment at home, such as describing things with objects of various colors, shapes and sizes, or interacting with your baby in daily activities such as cooking and washing clothes.

5. Encourage expression: Encourage the baby to express his thoughts and feelings, and let the baby know that his voice is valued, which can enhance his self-confidence and enthusiasm.