1. Treat your brother with love and patience. Educating your younger brother requires patience and love, and you should be full of care and love for him. Don't lose patience because of his mistakes or misconduct.

2. Communication and respect make the relationship closer. Establish a good communication and respect relationship with my younger brother, and enhance mutual trust and intimacy by listening to and understanding his thoughts and feelings, respecting his decisions and choices.

3. Set an example. As an elder sister, you are a role model for your younger brother, and your behavior and attitude will directly affect him. So you need to set an example, do a good demonstration, and let him learn your excellent quality and behavior.

4. Pay attention to and encourage your brother. Pay attention to my brother's growth and progress, encourage him to try new things, challenge himself and help him build self-confidence and self-esteem.

5. Moderate error correction. When your brother makes mistakes or misbehaves, you need to correct his mistakes properly and help him understand the reasons and correct them.

6. Build trust. Build a trust relationship with your brother and let him know that you can trust and rely on him. At the same time, you also need to win his trust and respect and make him willing to listen to your education and guidance.

In short, as a sister, educating my younger brother needs love, patience, respect, understanding and attention, and at the same time, we should set an example, establish trust and close relationship, and help him grow into an excellent person.