Search strategy
A systematic search of related databases, including (a) Guidelines databases: guide.medlive.cn, National Institute for Health and Clinical Excellence (NICE), National Guideline Clearinghouse (NGC), Scottish Intercollegiate Guidelines Network (SIGN), Registered Nurse’ Association of Ontario (RNAO), World Health Organization (WHO), Joanna Briggs Institute (JBI), Guidelines International Network (GIN), (b) clinical database: PubMed, Embase, Web of Science, CNKI, WanFang Data. The search period was from 1 January 2016 to 31 December 2021. The search method was a combination of subject terms plus free terms. English and Chinese search terms included atopic dermatitis, atopic eczema, eczema, guideline, consensus, etc.