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新型冠状病毒肺炎（coronavirus disease 2019, COVID-19），是由SARS-CoV-2（severe acute respiratory syndrome coronavirus 2）病毒感染引起的急性呼吸道传染病，其特点为典型临床症状不明显、潜伏期长、隐蔽性和传染性强，患者早期常无特异症状，甚至无任何症状，但已具传染性。该病主要以飞沫与接触传播为主要途径，并存在粪口和气溶胶传播的可能。足踝外科门诊和住院诊疗过程需要详细问诊、严格查体，充分接触患者，故发生交叉感染的风险很大。为避免在诊治过程中出现患者之间、患者与医务人员之间、医务人员之间发生交叉感染，本文从足踝外科门急诊、术前、术中、术后防控等环节进行分析，同时结合全国多家抗疫一线医务工作者的救治经验及循证医学证据，通过专家讨论最终形成专家共识，为在COVID-19防控期间足踝外科临床工作防止交叉感染提供参考依据。“,”The novel coronavirus pneumonia (coronavirus disease 2019, COVID-19) is an acute respiratory tract infectious disease caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). It is characterized by untypical clinical symptoms, long incubation period, concealment and strong infectivity. Patients usually have no specific symptoms at the early stage, or even have no symptoms, but they are infectious. The main route of the disease is droplet and contact transmission, and there is the possibility of transmission of fecal mouth and gas thrombolysis. In the diagnosis and treatment process of outpatient and inpatient in foot and ankle surgery department, detailed consultation, strict physical examination and full contact with patients are needed, so the risk of cross infection is very high. To prevent and control of cross infection from patient to patient, patient to medical staff, or medical staff to each other, the paper aims to introduce the preoperative, intraoperative and postoperative prevention and control program in the process of diagnosis and treatment. At the same time, based on abundant clinical experience of dealing with COVID-19 from medical staffs and evidence-based therapies, many experts discussed sufficiently and eventually reached the expert consensus on clinical diagnosis and treatment in foot and ankle surgery department. It can provide some references for medical staffs to avoid cross infection of COVID-19.