Objective To summarize the evidence of decision-making guidance for breast reconstruction in patients with breast cancer, so as to provide a reference guiding decision-making for breast reconstruction related to breast cancer.Methods The relevant domestic and international databases, guideline website, and website of breast cancer professional societies were searched for clinical decisions, guidelines, evidence summaries, systematic evaluations, and expert consensus on decision-making guidance for breast reconstruction in breast cancer patients.The retrieval time limit was from the establishment of the data bases or website to April 2023.The quality of the included literature was assessed, and related evidence was extracted, evaluated and summarized.Results A total of 17 articles were included, consisting of 4 clinical decisions, 4 guidelines, 1 evidence summary, 4 systematic evaluations, and 4 expert consensus.Totally 27 pieces of best evidence were summarized from four aspects: decision guidance team, breast reconstruction decision assessment, decision guidance content, and implementation of decision guidance.Conclusion The summarized best evidence of decision-making guidance for breast reconstruction in breast cancer patients can provide evidence for clinical nurses.Users of the evidence need to tailor their selection of evidence to specific clinical context, so as to maximize the benefits of patient decision-making.