F-2 Visa petitioner's documents
1. The visa applicant's passport
2. Two identical color photographs
3. Receipt of machine-readable visa fee of $100
4. I-20 Form
5. ID Card
6. Affidavit of support from parents or relatives
7. Evidence of back to non-immigrant intent

F-1visa Petitioner's documents
1. Copy of F-1 visa applicant's passport
2. Copy of F-1 Visa
3. Copy of I-94
4. Copy of I-20 Form
5. American bank statement and annual consumption evidence
6. Certificate of American Studentship
7. Copy of admission notice
8. Invitation letter to F-2 visa petitioner (in Chinese)
9. Invitation letter to the consulate
10. Copy of Student Card
11. Copy of Social Security Card (if any)
12. Copy of credit card ( both sides)
13. Copy of driver license
14. Copy of tax return (if any)
15. Photographs in America

Documents to testify relationship
1. Marriage Certificate
2. Birth Certificate
3. Phone bill or phone card
4. Letters between the two ( hand-written or E-mail)
5. Four to five marriage photographs and invitation card
6. Photos of the two or the whole family