1. Students sign with their full names (including surname and first name), write clearly in the corresponding signature positions, and use black or blue pens to ensure readability, which means that students sign to agree or promise to abide by a certain regulation, participate in an activity or complete a task.

2. Parents use their full name and "father" or "mother" (or other appropriate names) to identify themselves, that is to say, parents' signature usually means that the parents or guardians of students sign documents, consent forms, authorization letters, etc. Refers to a school or other institution, indicating its consent, authorization or responsibility.