Diao Han is an attending physician with 8 years of clinical experience in dentistry. She serves as the Director of Goodfeel Dental Comprehensive Treatment.

She previously received professional training at the Sixth People's Hospital of Shanghai and worked as a resident physician at the Second People's Hospital of Shenzhen.

She has conducted approved research on the effects of several common soft drinks on dental enamel and holds one national utility model patent.

She is proficient in complex dental restoration and treatment technologies, including aesthetic restoration, complete denture restoration, bite reconstruction, DSD smile design, multidisciplinary combination therapy, micro root canal treatment, micro root tip surgery, basic periodontal treatment, periodontal surgery, combined aesthetic restoration and periodontal surgery, as well as oral mucosal diagnosis and treatment.