Mei Ping is Xiao Zhenguo's wife and Bai Jiaojiao's mother-in-law. She suffers from health problems and mental vulnerability, having been scared by Chen Dawei in her youth, which causes her nightmares and suicidal thoughts. She is described as pretty but 'stupid,' making her a target for Chen Dawei's sinister plans. She is terrified of Chen Dawei and avoids him, yet remains a central figure in the past conflicts affecting the family.