By tradition, the bride visits her own family after the wedding to formally meet the in-laws.
Tips
culture
Modern Chinese news uses 认亲 most often for adoption reunions and DNA-database matches that bring trafficked or lost children back to birth families — highly emotional moments often filmed for state TV.
history
Older meaning relates to 三朝回门 (sānzhāo huímén) — the bride's return to her parents' home three days after the wedding, where families exchanged formal greetings and acknowledged the new kinship ties.