1. Education, the minimum requirement for teaching assistants is bachelor's degree, and master's degree or education is preferred.

2. In terms of ability, teaching assistants should have good communication skills, be able to communicate and express effectively, and have the necessary skills to guide learners. In addition, teaching assistants should also have strong problem-solving skills and be able to guide learners in the process of learning.

3. In terms of personal qualities, teaching assistants should have a strong sense of responsibility and be able to supervise and guide learners' learning status and progress. In addition, teaching assistants should be patient enough to keep patient and meticulous guidance to learners to ensure that learners can learn the best results.