Personal resume: Fan Xin, female, born in January 1977, graduated from Tongji Medical College of HUST with a bachelor's degree. She joined the workforce in July 2000, and is currently a deputy chief physician, a member of the Chongqing Association for Rehabilitation of the Handicapped, and a member of the Child Autism Committee. 

Medical treatment field and expertise: She has been engaged in child health care for 16 years and has extensive experience in child nutrition, growth and development monitoring, prevention and treatment of common diseases in children, and vaccination. Her main research direction is the diagnosis, intervention and treatment of various developmental and behavior problems of children. She has deep clinical experience in the diagnosis and treatment of children with developmental delay, autism and ADHD. 

Participation topics, published papers and monographs: She has hosted or participated in six projects and published more than 10 papers, including two CSCD core papers.