Objectives: To evaluate the efficacy and safety of ringheaded thrumbtack needle in the treatment of allergic rhinitis (AR).
Methods: Clinical studies about treatment of AR with ringheaded thrumbtack needle were searched from databases of CNKI, Wanfang, China Science and Technology Journal, China Biology Medicine disc, PubMed, Embase and Web of Science from their inception to November 2022. Two researchers independently screened the literature and collected related information.