The effect of external treatment of traditional Chinese medicine in overweight or simple obese patients: An umbrella review of meta-analyses of randomized controlled trials

Review question / Objective: What is the efficacy and safety of external treatment of Traditional Chinese medicine(ET-TCM) for overweight or simple obesity? What is the current state of the available evidence? What is the level of evidence? Information sources: Eight electronic databases (PubMed, Embase, Web of science, Cochrane library, CNKI, VIP, Wan Fang, CBM) and references included in the studies were used to supplement.eight lectronic database(PubMed, Embase, Web of science, Cochrane library, CNKI, VIP, Wan Fang, CBM ) and references for inclusion in the literature to supplement.