Background: There are more and more clinical studies on the efficacy of warm acupuncture in treating sciatica, but the systematic review of the efficacy of warm acupuncture is still lacking. The objective of this study was to evaluate the efficacy and safety of warm acupuncture combined with conventional Western medicine in the treatment of sciatica.Methods: The review was registered in the PROSPERO database (CRD42022379486) and was conducted according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines. The following databases will be used to search the existing literature (from inception to January 2023