Shenzhen Xuesi education and training institutions had better not give collective consumers the right to refund. Together with other registered students, they launched a joint letter or collective petition to defend their rights. Collective rights protection can have greater influence, and it is easy to get the attention and support of relevant departments. This way will also exert momentum pressure on merchants to a certain extent. Xuesi Education is a high intelligence-intensive social group approved by the Municipal Education Bureau and registered by the Civil Affairs Bureau. Provide professional information consulting services for registered students to improve their academic qualifications.