Acute mastitis is a common clinical acute suppurative infection of the breast, which is more common in lactating women 3-4 weeks after delivery. Without timely intervention, it can develop into abscess and even sepsis, which seriously affects the physical and mental health of mothers and children. In recent years, simple Western medicine treatment had a certain effect, but there were problems of drug resistance and high recurrence rate. Integrated traditional Chinese and Western medicine can effectively relieve symptoms, shorten the course of disease and reduce the risk of complications through syndrome differentiation and treatment combined with modern medical means, reflecting significant therapeutic advantages. This guideline was based on evidence-based medicine, the latest diagnosis and treatment standards at home and abroad, combined with expert recommendations and opinions, condensed clinical problems, and systematically sorted out the etiology, pathogenesis, diagnostic criteria, integrated traditional Chinese and Western medicine key points of acute mastitis, so as to provide reference for the clinical diagnosis and treatment of acute mastitis with integrated traditional Chinese and Western medicine.

急性乳腺炎是临床常见的乳腺急性炎性疾病，多见于产后3~4周的哺乳期女性，若未及时干预，可发展为脓肿甚至败血症，严重影响母儿身心健康。近年来，单纯西医治疗虽有一定效果，但存在耐药性、复发率高等问题。而中西医结合治疗通过辨证论治结合现代医学手段，能够有效缓解症状、缩短病程、降低并发症风险，体现出显著治疗优势。本指南基于循证医学证据，参考国内外最新诊疗规范，结合专家建议与意见，凝练临床问题，系统梳理急性乳腺炎的病因病机、诊断标准及中西医结合治疗关键，为急性乳腺炎的中西医结合临床诊疗提供参考。