1. Join the class by contacting the class teacher and using the mobile phone number of the class teacher.

2. After logging in to Le Jiao Xue Le, I chose to contact the children in my school, and then I chose to change classes.

3. Enter the mobile phone number of the class teacher in the pop-up window, select the relationship with the child and determine the child's password. Letangxue is a happy learning brand on the Internet and a leading online shopping mall for educational products in China. Letangxue is committed to providing customers with high-quality educational products based on meeting customer needs.