documents needed for a China student visa and visa for family members?

Documents needed for F visa application are as follows:
1. Original passport which has more than 18 months left before it expires from the date of application for a visa and sufficient blank visa pages.
2. One completed Visa Application Form with a recently-taken passport photo (only 2 inch * 2 inch color photo with light background like light blue and white is acceptable).
3. In addition to the above-mentioned documents, you should also provide:
(1) Visa Application for Study in China (Form JW-201 or Form JW-202, original and copy);
(2) Admission Notice (original and copy)
(3) An applicant who will study in China for more than six months shall also provide a Physical Examination Record for Foreign Citizen.
As family members, you and your child can apply for family visit visa (L) to accompany your husband in China. For more details concerning this, you can read https://www.travelchinaguide.com/embassy/visa/family-visit-permit.htm