Bilingual teaching refers to learning subject knowledge or skills in more than two languages in education and teaching activities, so as to achieve the purpose of learning and skillfully using a second language; The main goal of bilingual teaching is to cultivate students' ability to think and solve problems in a second language, which is not limited to daily listening, speaking, reading and writing.

Three different forms of bilingual teaching;

1, immersion bilingual teaching: the teaching language used in the school is not the language used by students at home.

2. Maintenance-oriented bilingual teaching: students use their mother tongue when they first enter school, and then gradually use their second language to teach some subjects.

3. Transitional bilingual teaching: after entering school, the teaching language is all the students' mother tongue, and then gradually changed to only the second language for teaching.

Advantages of bilingual teaching:

1. Bilingual teaching paves the way for children to discover cultural diversity. Bilingual education helps children understand social diversity and cultural differences and make them enjoy it;

Bilingual teaching prepares children for future challenges. The foreign language ability gained in school will invisibly prepare children for their career path. Having multilingual ability not only shows the language ability of bilingual employees, but also reflects their excellent thinking ability and learning ability.

3. Bilingual teaching can improve children's task memory ability and reaction speed. The improvement of task memory and reaction ability can help children deal with work tasks better, especially when dealing with brand-new work content.