1. You need to contact the enrollment department or customer service department of Yiyang Education and explain to them the reason why you want to refund the tuition by installments.

2. According to the refund policy of Yiyang Education, a written application is required to explain the specific reasons for requesting a refund and provide relevant supporting materials.

3. After submitting the written application and the required supporting materials, you need to wait for the review and processing of Yiyang Education. After the approval, the school will refund the refund amount according to the account information.