1. Family members need to upload the original ID card through the APP to prove the identity of their relatives.
2. Upload the original marriage certificate, the account page on the same account book or the original kinship certificate issued by the public security organ (neighborhood committee or village committee) through the APP to prove the relationship with the criminal's spouse, parents and children.
3. Copy of ID card, copy of marriage certificate and household registration book of the same household registration book (if they are not in the same household registration book, the original kinship letter issued by the public security organ or the neighborhood committee or village committee shall be provided), and sent by EMS express mail (address format: box No.303, Chengde Prison, Chengde City, Hebei Province, XXX ××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××
4. By paying attention to the official WeChat account of Chengde Prison in Hebei Province, click on the family meeting menu under the prison affairs open menu to inquire about the video meeting date.