A temporary leave from courses: 

1. asking for the lecturers' permission;
2. fill out the form of temporary leave and submit it to the Academic Affairs Office
3. Note: 
   a.  One copy of this form should be submitted to the Academic Affairs Office of TDLI. If the requested period of leave is more than 2 weeks while within 3 months, the school shall report to the Graduate School. If the requested period of leave is more than 3 months, the student shall apply for suspension of schooling instead.
   b.  If the applicant needs to drop courses, he/she should take a copy of the approved form to the graduate school and apply for it.
   c.  Upon expiration of the approved period, the application shall report back to the school.

File: Request for Temporary Leave for SJTU Graduate Students

https://365.kdocs.cn/office/w/cuNaY7Cgipg1?sub_file_id=UF2TBQZIAAACI&attachment_store_type=upload_ks3&disablePlugins&readonly

Suspension from Schooling

File an application on Jiaowoban (交我办) ：Application to Suspend Schooling for Graduate Students