1. Provide a language environment: communicate with people with different mother tongues, watch bilingual TV programs or read bilingual books, so that children can get in touch with the bilingual environment.

2. Create learning opportunities: provide children with opportunities to learn two languages, either by enrolling in bilingual schools or courses, or by asking professional bilingual teachers for counseling.

3. Pay attention to language input: expose children to a lot of bilingual input, which can be done by listening, speaking, reading and writing. For example, children can listen to bilingual music, watch bilingual movies and read bilingual picture books.

4. Cultivate language awareness: Help children realize the existence and importance of two languages through bilingual dialogue with children and the use of bilingual labels.

5. Encourage language output: Encourage children to communicate and express in two languages through bilingual dialogue and participation in bilingual activities.

6. Give positive incentives: Give children positive feedback and rewards in time to encourage them to continue learning and using bilingualism.

7. Patience and persistence: Bilingual education is a long-term process, which requires parents' patience and persistence. Don't rush for success, give children enough time and space to adapt and master two languages.

In short, effective bilingual education for children needs to provide a language environment, create learning opportunities, attach importance to language input, cultivate language awareness, encourage language output, give positive incentives, and persevere patiently. Through these methods, children can better master two languages and improve their language ability and intercultural communication ability.